feat(ui): polish email modal, search loading, and volume tables

Move profile email change into a modal with Alpine focus/close handling,
show a loading overlay during command-palette navigation, and adjust
volumes/config-diff grids plus related service/storage UI. Cover with
feature tests for search, profile, storage, and domains.

app/Livewire/Profile/Index.php

@@ -167,6 +167,7 @@ class Index extends Component
                 $this->show_verification = false;
 
                 $this->dispatch('success', 'Email address updated successfully.');
+                $this->dispatch('close-email-change-modal');
             } else {
                 $this->dispatch('error', 'Failed to update email address.');
             }
@@ -231,12 +232,6 @@ class Index extends Component
         $this->dispatch('success', 'Email change request cancelled.');
     }
 
-    public function showEmailChangeForm()
-    {
-        $this->show_email_change = true;
-        $this->new_email = '';
-    }
-
     public function resetPassword()
     {
         try {