[Enterprise Search][ML Inference] Improve no models copy (#145772)

## Summary

Updated the no models learn more to link to the new machine learning
getting started guide
Updated the copy on the no models modal to be more explicit and provide
information on the types of models that are supported.

### Screenshot

![image](https://user-images.githubusercontent.com/1972968/203351794-260fd7a2-260f-4b8d-ae75-6b7bb41a889f.png)


### Checklist

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)

packages/kbn-doc-links/src/get_doc_links.ts

@@ -138,6 +138,7 @@ export const getDocLinks = ({ kibanaBranch }: GetDocLinkOptions): DocLinks => {
       languageAnalyzers: `${ELASTICSEARCH_DOCS}analysis-lang-analyzer.html`,
       languageClients: `${ENTERPRISE_SEARCH_DOCS}programming-language-clients.html`,
       licenseManagement: `${ENTERPRISE_SEARCH_DOCS}license-management.html`,
+      machineLearningStart: `${ENTERPRISE_SEARCH_DOCS}machine-learning-start.html`,
       mailService: `${ENTERPRISE_SEARCH_DOCS}mailer-configuration.html`,
       start: `${ENTERPRISE_SEARCH_DOCS}start.html`,
       syncRules: `${ENTERPRISE_SEARCH_DOCS}sync-rules.html`,

packages/kbn-doc-links/src/types.ts

@@ -123,6 +123,7 @@ export interface DocLinks {
     readonly languageAnalyzers: string;
     readonly languageClients: string;
     readonly licenseManagement: string;
+    readonly machineLearningStart: string;
     readonly mailService: string;
     readonly start: string;
     readonly syncRules: string;

x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/pipelines/ml_inference/no_models.tsx

@@ -10,6 +10,7 @@ import React from 'react';
 import { EuiEmptyPrompt, EuiImage, EuiLink, EuiText, useEuiTheme } from '@elastic/eui';
 
 import { i18n } from '@kbn/i18n';
+import { FormattedMessage } from '@kbn/i18n-react';
 
 import noMlModelsGraphicDark from '../../../../../../assets/images/no_ml_models_dark.svg';
 import noMlModelsGraphicLight from '../../../../../../assets/images/no_ml_models_light.svg';
@@ -28,32 +29,29 @@ export const NoModelsPanel: React.FC = () => {
             src={colorMode === 'LIGHT' ? noMlModelsGraphicLight : noMlModelsGraphicDark}
             alt={i18n.translate(
               'xpack.enterpriseSearch.content.indices.pipelines.addInferencePipelineModal.noModels.imageAlt',
-              { defaultMessage: 'No ml models illustration' }
+              { defaultMessage: 'No machine learning models illustration' }
             )}
           />
-          <EuiText>
+          <EuiText size="s">
             <p>
-              {i18n.translate(
-                'xpack.enterpriseSearch.content.indices.pipelines.addInferencePipelineModal.noModels.description',
-                {
-                  defaultMessage:
-                    'You have no trained models available. Please follow the documenation to add trained ml models to your cluster.',
-                }
-              )}
+              <FormattedMessage
+                id="xpack.enterpriseSearch.content.indices.pipelines.addInferencePipelineModal.noModels.description"
+                defaultMessage="You have no trained machine learning models that can be used by an inference pipeline. {documentationLink}"
+                values={{
+                  documentationLink: (
+                    <EuiLink href={docLinks.machineLearningStart} target="_blank">
+                      {i18n.translate(
+                        'xpack.enterpriseSearch.content.indices.pipelines.addInferencePipelineModal.noModels.esDocs.link',
+                        { defaultMessage: 'Learn how to add a trained model' }
+                      )}
+                    </EuiLink>
+                  ),
+                }}
+              />
             </p>
           </EuiText>
         </>
       }
-      footer={
-        <EuiLink href={docLinks.deployTrainedModels} target="_blank">
-          {i18n.translate(
-            'xpack.enterpriseSearch.appSearch.crawler.crawlRequestsTable.emptyPrompt.docsLink',
-            {
-              defaultMessage: 'Learn More',
-            }
-          )}
-        </EuiLink>
-      }
     />
   );
 };

x-pack/plugins/enterprise_search/public/applications/shared/constants/labels.ts

@@ -41,3 +41,7 @@ export const DESCRIPTION_LABEL = i18n.translate('xpack.enterpriseSearch.descript
 export const OPTIONAL_LABEL = i18n.translate('xpack.enterpriseSearch.optionalLabel', {
   defaultMessage: 'Optional',
 });
+
+export const LEARN_MORE_LINK = i18n.translate('xpack.enterpriseSearch.learnMore.link', {
+  defaultMessage: 'Learn more',
+});

x-pack/plugins/enterprise_search/public/applications/shared/doc_links/doc_links.ts

@@ -78,6 +78,7 @@ class DocLinks {
   public languageAnalyzers: string;
   public languageClients: string;
   public licenseManagement: string;
+  public machineLearningStart: string;
   public pluginsIngestAttachment: string;
   public queryDsl: string;
   public searchUIAppSearch: string;
@@ -191,6 +192,7 @@ class DocLinks {
     this.languageAnalyzers = '';
     this.languageClients = '';
     this.licenseManagement = '';
+    this.machineLearningStart = '';
     this.pluginsIngestAttachment = '';
     this.queryDsl = '';
     this.searchUIAppSearch = '';
@@ -306,6 +308,7 @@ class DocLinks {
     this.languageAnalyzers = docLinks.links.enterpriseSearch.languageAnalyzers;
     this.languageClients = docLinks.links.enterpriseSearch.languageClients;
     this.licenseManagement = docLinks.links.enterpriseSearch.licenseManagement;
+    this.machineLearningStart = docLinks.links.enterpriseSearch.machineLearningStart;
     this.pluginsIngestAttachment = docLinks.links.plugins.ingestAttachment;
     this.queryDsl = docLinks.links.query.queryDsl;
     this.searchUIAppSearch = docLinks.links.searchUI.appSearch;