[8.18] [Response Ops][Flaky Tests] Remove duplicated click creating connector (#216145) (#216280)

# Backport

This will backport the following commits from `main` to `8.18`:
- [[Response Ops][Flaky Tests] Remove duplicated click creating
connector (#216145)](https://github.com/elastic/kibana/pull/216145)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Julian
Gernun","email":"17549662+jcger@users.noreply.github.com"},"sourceCommit":{"committedDate":"2025-03-28T11:43:25Z","message":"[Response
Ops][Flaky Tests] Remove duplicated click creating connector
(#216145)\n\n## Summary\n\nCloses
https://github.com/elastic/kibana/issues/202328\n\nThe test itself
wasn't failing but the setup was. The test failing does\nso because it's
the first one in the test suite. We are trying to click\non the flyout
save button twice one right after the other. What I think\nis happening
is that the first one manages to close the flyout before\nthe second
click gets the chance to trigger.\n\nAlso the image in CI is this where
we can see the flyout is closed\nalready but it's still trying to close
it\n\n![image](https://github.com/user-attachments/assets/c606f776-aab4-4884-94e2-a2c258a30546)","sha":"e16ba346e39df1843b45017137d4c894c357bb13","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","Team:ResponseOps","v9.0.0","backport:version","v8.18.0","v9.1.0"],"title":"[Response
Ops][Flaky Tests] Remove duplicated click creating
connector","number":216145,"url":"https://github.com/elastic/kibana/pull/216145","mergeCommit":{"message":"[Response
Ops][Flaky Tests] Remove duplicated click creating connector
(#216145)\n\n## Summary\n\nCloses
https://github.com/elastic/kibana/issues/202328\n\nThe test itself
wasn't failing but the setup was. The test failing does\nso because it's
the first one in the test suite. We are trying to click\non the flyout
save button twice one right after the other. What I think\nis happening
is that the first one manages to close the flyout before\nthe second
click gets the chance to trigger.\n\nAlso the image in CI is this where
we can see the flyout is closed\nalready but it's still trying to close
it\n\n![image](https://github.com/user-attachments/assets/c606f776-aab4-4884-94e2-a2c258a30546)","sha":"e16ba346e39df1843b45017137d4c894c357bb13"}},"sourceBranch":"main","suggestedTargetBranches":["9.0","8.18"],"targetPullRequestStates":[{"branch":"9.0","label":"v9.0.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.18","label":"v8.18.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/216145","number":216145,"mergeCommit":{"message":"[Response
Ops][Flaky Tests] Remove duplicated click creating connector
(#216145)\n\n## Summary\n\nCloses
https://github.com/elastic/kibana/issues/202328\n\nThe test itself
wasn't failing but the setup was. The test failing does\nso because it's
the first one in the test suite. We are trying to click\non the flyout
save button twice one right after the other. What I think\nis happening
is that the first one manages to close the flyout before\nthe second
click gets the chance to trigger.\n\nAlso the image in CI is this where
we can see the flyout is closed\nalready but it's still trying to close
it\n\n![image](https://github.com/user-attachments/assets/c606f776-aab4-4884-94e2-a2c258a30546)","sha":"e16ba346e39df1843b45017137d4c894c357bb13"}}]}]
BACKPORT-->

Co-authored-by: Julian Gernun <17549662+jcger@users.noreply.github.com>

x-pack/test/functional_with_es_ssl/apps/triggers_actions_ui/alert_create_flyout.ts

@@ -64,7 +64,6 @@ export default ({ getPageObjects, getService }: FtrProviderContext) => {
       await find.clickByCssSelector(
         '[data-test-subj="create-connector-flyout-save-btn"]:not(disabled)'
       );
-      await testSubjects.click('create-connector-flyout-save-btn');
     });
 
     const toastTitle = await toasts.getTitleAndDismiss();