Fix error with displayName is missing in PackageJSON (#24246)

Closes #24244

Author: karthiknadig

src/client/common/application/commands/reportIssueCommand.ts

@@ -104,7 +104,12 @@ export class ReportIssueCommandHandler implements IExtensionSingleActivationServ
 
         const installedExtensions = getExtensions()
             .filter((extension) => !extension.id.startsWith('vscode.'))
-            .sort((a, b) => a.packageJSON.displayName.localeCompare(b.packageJSON.displayName))
+            .sort((a, b) => {
+                if (a.packageJSON.displayName && b.packageJSON.displayName) {
+                    return a.packageJSON.displayName.localeCompare(b.packageJSON.displayName);
+                }
+                return a.id.localeCompare(b.id);
+            })
             .map(
                 (extension) =>
                     `|${extension.packageJSON.displayName}|${extension.id}|${extension.packageJSON.version}|`,