Fix outstanding NP issues in SIEM frontend (#53735) (#53739)

* Injects all required plugins into our context provider (not just data)
* Sets defaults for two UI settings that the client doesn't know about
(and blow up when trying to retrieve).

x-pack/legacy/plugins/siem/public/apps/index.ts

@@ -8,8 +8,11 @@ import chrome from 'ui/chrome';
 import { npStart } from 'ui/new_platform';
 import { Plugin } from './plugin';
 
+const { data, embeddable, inspector, uiActions } = npStart.plugins;
+const startPlugins = { data, embeddable, inspector, uiActions };
+
 new Plugin(
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   { opaqueId: Symbol('siem'), env: {} as any, config: { get: () => ({} as any) } },
   chrome
-).start(npStart.core, npStart.plugins);
+).start(npStart.core, startPlugins);

x-pack/legacy/plugins/siem/public/apps/plugin.tsx

@@ -10,6 +10,7 @@ import { LegacyCoreStart, PluginInitializerContext } from 'src/core/public';
 import { PluginsStart } from 'ui/new_platform/new_platform';
 import { Chrome } from 'ui/chrome';
 
+import { DEFAULT_KBN_VERSION, DEFAULT_TIMEZONE_BROWSER } from '../../common/constants';
 import { SiemApp } from './start_app';
 import template from './template.html';
 
@@ -32,6 +33,10 @@ export class Plugin {
   }
 
   public start(core: StartCore, plugins: StartPlugins) {
+    // TODO(rylnd): These are unknown by uiSettings by default
+    core.uiSettings.set(DEFAULT_KBN_VERSION, '8.0.0');
+    core.uiSettings.set(DEFAULT_TIMEZONE_BROWSER, 'UTC');
+
     // @ts-ignore improper type description
     this.chrome.setRootTemplate(template);
     const checkForRoot = () => {

x-pack/legacy/plugins/siem/public/apps/start_app.tsx

@@ -77,9 +77,9 @@ export const SiemApp = memo<{ core: StartCore; plugins: StartPlugins }>(({ core,
   <KibanaContextProvider
     services={{
       appName: 'siem',
-      data: plugins.data,
       storage: new Storage(localStorage),
       ...core,
+      ...plugins,
     }}
   >
     <StartApp {...compose()} />