fix(amazonq): chat contents tooltip, layout #5622

## Problem
New version of MynahUI requires release in vscode.

## Solution
Release new version of MynahUI with the following bug fixes:

- Fix shifted chat contents
- Fix tooltip remaining on screen after closing and opening chat panel:
#5535

MynahUI v4.15.10 release notes:
https://github.com/aws/mynah-ui/releases/tag/v4.15.10

Also fixed a regression in the following MynahUI v4.15.11
Release notes: https://github.com/aws/mynah-ui/releases/tag/v4.15.11

Author: rahmaniaam

package-lock.json

@@ -0,0 +1,4 @@
+{
+	"type": "Bug Fix",
+	"description": "Amazon Q Chat: Fix shifted chat contents when closing and opening chat panel back"
+}

packages/amazonq/.changes/next-release/Bug Fix-88f06153-eaf2-4d50-9934-e5d1044aa2e9.json

@@ -0,0 +1,4 @@
+{
+	"type": "Bug Fix",
+	"description": "Amazon Q Chat: Fix tooltip remaining on screen when closing and opening chat panel back"
+}

packages/amazonq/.changes/next-release/Bug Fix-b116896a-a7d1-445b-bd6a-5d2e82fe336a.json

@@ -4123,7 +4123,7 @@
         "@aws-sdk/property-provider": "3.46.0",
         "@aws-sdk/smithy-client": "^3.46.0",
         "@aws-sdk/util-arn-parser": "^3.46.0",
-        "@aws/mynah-ui": "^4.15.9",
+        "@aws/mynah-ui": "^4.15.11",
         "@gerhobbelt/gitignore-parser": "^0.2.0-9",
         "@iarna/toml": "^2.2.5",
         "@smithy/middleware-retry": "^2.3.1",