Fix most tests for new chat changes

crates/collab_ui/src/chat_panel.rs

@@ -181,6 +181,10 @@ impl ChatPanel {
         })
     }
 
+    pub fn active_chat(&self) -> Option<ModelHandle<ChannelChat>> {
+        self.active_chat.as_ref().map(|(chat, _)| chat.clone())
+    }
+
     pub fn load(
         workspace: WeakViewHandle<Workspace>,
         cx: AsyncAppContext,

crates/collab_ui/src/collab_panel.rs

@@ -1964,9 +1964,7 @@ impl CollabPanel {
                         .left(),
                 )
                 .with_child({
-                    let style = collab_theme
-                        .channel_name
-                        .in_state(channel.unseen_note_version.is_some());
+                    let style = collab_theme.channel_name.inactive_state();
                     Flex::row()
                         .with_child(
                             Label::new(channel.name.clone(), style.text.clone())