Git panel: share checkout actions + fix push loading (#20)

* Update files

* Git panel: share checkout actions

Hoist checkout-scoped async git actions into a shared store and keep primary Push CTA loading in-place. Also stabilize e2e git flows.

* Stabilize git panel async actions and fix e2e flakes

packages/app/e2e/global-setup.ts

@@ -1,9 +1,11 @@
 import { spawn, type ChildProcess, execSync } from 'node:child_process';
+import { existsSync } from 'node:fs';
 import { mkdtemp, rm } from 'node:fs/promises';
 import { tmpdir } from 'node:os';
 import path from 'node:path';
 import net from 'node:net';
 import { Buffer } from 'node:buffer';
+import dotenv from 'dotenv';
 
 async function getAvailablePort(): Promise<number> {
   return new Promise((resolve, reject) => {
@@ -72,6 +74,12 @@ function decodeOfferFromFragmentUrl(url: string): OfferPayload {
 }
 
 export default async function globalSetup() {
+  const repoRoot = path.resolve(__dirname, '../../..');
+  const envTestPath = path.join(repoRoot, '.env.test');
+  if (existsSync(envTestPath)) {
+    dotenv.config({ path: envTestPath });
+  }
+
   const port = await getAvailablePort();
   const relayPort = await getAvailablePort();
   const metroPort = await getAvailablePort();