fixed screen reader bug in query history (#17937)

Co-authored-by: Lauren Nathan <laurennathan@microsoft.com>

localization/xliff/enu/constants/localizedConstants.enu.xlf

@@ -671,6 +671,12 @@
         <trans-unit id="dismiss">
             <source xml:lang="en">Dismiss</source>
         </trans-unit>
+        <trans-unit id="querySuccess">
+            <source xml:lang="en">Query succeeded</source>
+        </trans-unit>
+        <trans-unit id="queryFailed">
+            <source xml:lang="en">Query failed</source>
+        </trans-unit>
     </body>
   </file>
 </xliff>

src/queryHistory/queryHistoryNode.ts

@@ -5,6 +5,7 @@
 
 import * as vscode from 'vscode';
 import * as path from 'path';
+import * as os from 'os';
 import * as LocalizedConstants from '../constants/localizedConstants';
 
 /**
@@ -51,7 +52,8 @@ export class QueryHistoryNode extends vscode.TreeItem {
 		this._isSuccess = isSuccess;
 		this._connectionLabel = connectionLabel;
 		this.iconPath = this._isSuccess ? this.successIcon : this.failureIcon;
-		this.tooltip = tooltip;
+		const queryStatusLabel = this._isSuccess ? LocalizedConstants.querySuccess : LocalizedConstants.queryFailed;
+		this.tooltip = `${tooltip}${os.EOL}${os.EOL}${queryStatusLabel}`;
 		this.contextValue = QueryHistoryNode.contextValue;
 	}