Fix calling gio trash with no paths, when batch uninstalling packages

src/install_page/pending_page.py

@@ -95,9 +95,10 @@ class PendingPage(Adw.NavigationPage):
         package_requests = []
         for key, group in self.groups.items():
             item = {
-                'remote': group.remote.name,
-                'installation': group.installation,
-                'package_names': [],
+                "remote": group.remote.name,
+                "installation": group.installation,
+                "package_names": [],
+                "extra_flags": [],
             }
             for row in group.rows:
                 item['package_names'].append(row.package.app_id)

src/packages_page/packages_page.py

@@ -252,7 +252,7 @@ class PackagesPage(Adw.BreakpointBin):
 
                 try:
                     subprocess.run(cmd, check=True, capture_output=True)
-                    if should_trash:
+                    if should_trash and len(to_trash) > 0:
                         subprocess.run(['gio', 'trash'] + to_trash, check=True, capture_output=True)
                 except subprocess.CalledProcessError as cpe:
                     error[0] = cpe