[8.11] [AO] Fix TestQuery button for Elasticsearch rule under Observa…

…bility with ES|QL (#168703) (#169008)

# Backport

This will backport the following commits from `main` to `8.11`:
- [[AO] Fix TestQuery button for Elasticsearch rule under Observability
with ES|QL (#168703)](#168703)

<!--- Backport version: 8.9.7 -->

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

<!--BACKPORT [{"author":{"name":"Faisal
Kanout","email":"[email protected]"},"sourceCommit":{"committedDate":"2023-10-16T16:54:57Z","message":"[AO]
Fix TestQuery button for Elasticsearch rule under Observability with
ES|QL (#168703)\n\n## Summary\r\n\r\nIt fixes #168702 \r\n<img
width=\"606\" alt=\"Screenshot 2023-10-12 at 14 46
55\"\r\nsrc=\"https://github.com/elastic/kibana/assets/6838659/b0823429-e4ca-4000-87b5-9b7201593b0e\">","sha":"6851bb848a9bec5ef3c18754d0f0d291858e4228","branchLabelMapping":{"^v8.12.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:fix","Team:
Actionable
Observability","backport:prev-minor","v8.11.0","v8.12.0"],"number":168703,"url":"https://github.com/elastic/kibana/pull/168703","mergeCommit":{"message":"[AO]
Fix TestQuery button for Elasticsearch rule under Observability with
ES|QL (#168703)\n\n## Summary\r\n\r\nIt fixes #168702 \r\n<img
width=\"606\" alt=\"Screenshot 2023-10-12 at 14 46
55\"\r\nsrc=\"https://github.com/elastic/kibana/assets/6838659/b0823429-e4ca-4000-87b5-9b7201593b0e\">","sha":"6851bb848a9bec5ef3c18754d0f0d291858e4228"}},"sourceBranch":"main","suggestedTargetBranches":["8.11"],"targetPullRequestStates":[{"branch":"8.11","label":"v8.11.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.12.0","labelRegex":"^v8.12.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/168703","number":168703,"mergeCommit":{"message":"[AO]
Fix TestQuery button for Elasticsearch rule under Observability with
ES|QL (#168703)\n\n## Summary\r\n\r\nIt fixes #168702 \r\n<img
width=\"606\" alt=\"Screenshot 2023-10-12 at 14 46
55\"\r\nsrc=\"https://github.com/elastic/kibana/assets/6838659/b0823429-e4ca-4000-87b5-9b7201593b0e\">","sha":"6851bb848a9bec5ef3c18754d0f0d291858e4228"}}]}]
BACKPORT-->

Co-authored-by: Faisal Kanout <[email protected]>

x-pack/plugins/observability/kibana.jsonc

@@ -6,7 +6,10 @@
     "id": "observability",
     "server": true,
     "browser": true,
-    "configPath": ["xpack", "observability"],
+    "configPath": [
+      "xpack",
+      "observability"
+    ],
     "requiredPlugins": [
       "aiops",
       "alerting",
@@ -32,9 +35,26 @@
       "unifiedSearch",
       "visualizations",
       "dashboard",
+      "expressions"
+    ],
+    "optionalPlugins": [
+      "discover",
+      "home",
+      "licensing",
+      "usageCollection",
+      "cloud",
+      "spaces"
+    ],
+    "requiredBundles": [
+      "data",
+      "kibanaReact",
+      "kibanaUtils",
+      "unifiedSearch",
+      "stackAlerts",
+      "spaces"
     ],
-    "optionalPlugins": ["discover", "home", "licensing", "usageCollection", "cloud", "spaces"],
-    "requiredBundles": ["data", "kibanaReact", "kibanaUtils", "unifiedSearch", "stackAlerts", "spaces"],
-    "extraPublicDirs": ["common"]
+    "extraPublicDirs": [
+      "common"
+    ]
   }
-}
+}