Fix prohibit-start selection & tooltip

Author: alimirjamali

qui/qubes-updater-base.css

@@ -237,3 +237,16 @@ treeview.view:selected {
     color: @qubes-blue;
     font-weight: bold;
 }
+
+tooltip {
+    text-shadow: none;
+}
+
+tooltip.background {
+    border: 3px solid #555555;
+}
+
+tooltip * {
+    background-color: #E5E5E5;
+    color: black;
+}

qui/updater/intro_page.py

@@ -168,7 +168,9 @@ def refresh_update_list(self, update_if_stale):
             if row.vm.name == "dom0":
                 continue
             row.updates_available = bool(row.vm.name in to_update)
-            row.selected = bool(row.vm.name in to_update)
+            row.selected = bool(
+                row.vm.name in to_update
+            ) and not row.vm.features.get("prohibit-start", False)
 
     def get_vms_to_update(self) -> ListWrapper:
         """Returns list of vms selected to be updated"""