Fix stale app UI (supabase) & overall E2E test infra improvements (#337)

Fixes #269

src/ipc/handlers/safe_handle.ts

@@ -1,5 +1,6 @@
 import { ipcMain, IpcMainInvokeEvent } from "electron";
 import log from "electron-log";
+import { IS_TEST_BUILD } from "../utils/test_utils";
 
 export function createLoggedHandler(logger: log.LogFunctions) {
   return (
@@ -27,3 +28,11 @@ export function createLoggedHandler(logger: log.LogFunctions) {
     );
   };
 }
+
+export function createTestOnlyLoggedHandler(logger: log.LogFunctions) {
+  if (!IS_TEST_BUILD) {
+    // Returns a no-op function for non-e2e test builds.
+    return () => {};
+  }
+  return createLoggedHandler(logger);
+}