fix(desktop): apply initial shell theme before IPC resolves

Author: waleedlatif1

apps/desktop/src/renderer/shell.test.ts

@@ -27,6 +27,8 @@ describe('shell appearance bootstrap', () => {
       vi.fn(() => ({ matches: true, addEventListener: vi.fn() }))
     )
     const ready = initializeShellPage()
+    expect(document.documentElement.className).toBe('dark')
+    expect(document.documentElement.style.colorScheme).toBe('dark')
     update('light')
     resolveInitial('dark')
     await ready

apps/desktop/src/renderer/shell.ts

@@ -20,6 +20,7 @@ export async function initializeShellPage() {
     theme = next
     syncTheme()
   })
+  syncTheme()
   const initialTheme = await api?.get()
   if (!receivedUpdate) theme = initialTheme
   syncTheme()