Render an error in the room select screen if the rooms cannot be loaded

If the client of the selected account cannot be restored, the room list was
never loaded and there was no feedback to the user.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

tools/localazy/config.json

@@ -14,6 +14,12 @@
         "screen_bug_report_.*"
       ]
     },
+    {
+      "name" : ":libraries:roomselect:impl",
+      "includeRegex" : [
+        "screen\\.room_select\\..*"
+      ]
+    },
     {
       "name" : ":features:rageshake:api",
       "includeRegex" : [