feat(gui): replace AI studio with product suite

tests/test_gui.py

@@ -56,6 +56,7 @@ from app.gui import (
     ForcedUpdateDialog,
     ImageStudioTab,
     MainWindow,
+    ProductSuiteTab,
     SettingsTab,
     TAB_STYLE,
     TAB_TITLES,
@@ -491,7 +492,7 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             self.addCleanup(window.close)
 
             self.assertEqual(gui.display_name(), window.windowTitle())
-            self.assertEqual(5, window.tabs.count())
+            self.assertEqual(6, window.tabs.count())
             self.assertEqual(
                 TAB_TITLES,
                 [window.tabs.tabText(index) for index in range(window.tabs.count())],
@@ -511,6 +512,7 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             self.assertIsInstance(window.tabs.widget(2), ApplyTab)
             self.assertIsInstance(window.tabs.widget(3), AccountsTab)
             self.assertIsInstance(window.tabs.widget(4), SettingsTab)
+            self.assertIsInstance(window.tabs.widget(5), ProductSuiteTab)
             self.assertFalse(
                 any(
                     isinstance(window.tabs.widget(index), ImageStudioTab)