More UI changes

lib/widgets/process_dialog.dart

@@ -23,7 +23,12 @@ class ProcessDialog extends StatelessWidget {
             children: [
               const CircularProgressIndicator(),
               const SizedBox(width: 40),
-              Text(message)
+              Text(
+                message,
+                style: TextStyle(
+                  color: Theme.of(context).colorScheme.onSurface
+                ),
+              )
             ],
           ),
         ),