fix(cli): update F12 behavior to only open drawer if browser fails (#18829)

packages/cli/src/ui/AppContainer.tsx

@@ -1521,6 +1521,7 @@ Logging in with Google... Restarting Gemini CLI to continue.
             );
             await toggleDevToolsPanel(
               config,
+              showErrorDetails,
               () => setShowErrorDetails((prev) => !prev),
               () => setShowErrorDetails(true),
             );
@@ -1660,6 +1661,7 @@ Logging in with Google... Restarting Gemini CLI to continue.
       tabFocusTimeoutRef,
       showTransientMessage,
       settings.merged.general.devtools,
+      showErrorDetails,
     ],
   );