making channel controls interactable

src/ui/widgets/sidebar.py

@@ -10,9 +10,10 @@ class Sidebar(Vertical):
     Sidebar {
         dock: left;
         background: $surface;
-        width: 40;
+        width: 43;
         border-right: tall $surface-lighten-1;
         padding: 1;
+        margin-top: 1;
         
         #add-channel {
             min-width: 100%;
@@ -23,8 +24,9 @@ class Sidebar(Vertical):
     
     def compose(self) -> ComposeResult:
         with VerticalScroll(id="channels"):
-            for channel in self.app.project.channels:
+            for i, channel in enumerate(self.app.project.channels):
                 yield Channel(
+                    i,
                     channel.name,
                     channel.mute,
                     channel.solo,