test: drop source-text assertion tests and merge locale checks

apps/desktop/src/components/ssh/__tests__/SshHostKeyPromptDialog.spec.ts

@@ -135,15 +135,6 @@ describe("SshHostKeyPromptDialog web bridge", () => {
     expect(dialogSource).not.toContain(':dismissible="false"');
   });
 
-  it("stacks above dialogs that mount later than it does", () => {
-    // Dialog portals teleport into <body> when their component mounts, so paint
-    // order at the shared z-50 follows mount order. This prompt mounts once at
-    // app start, so an on-demand dialog (e.g. the connection editor) would bury
-    // it and block the whole window. It must opt out of the default layer.
-    expect(dialogSource).toContain('overlay-class="z-[200]"');
-    expect(dialogSource).toContain('portal-class="z-[200]"');
-  });
-
   it("keeps the prompt above a later body-mounted connection dialog and answerable", async () => {
     await mountDialog();