Allow the project panel to be docked right or left

Co-Authored-By: Joseph Lyons <joseph@zed.dev>

crates/terminal_view/src/terminal_panel.rs

@@ -160,7 +160,7 @@ impl Panel for TerminalPanel {
         }
     }
 
-    fn should_change_position_on_event(&self, _: &Self::Event, _: &AppContext) -> bool {
+    fn should_change_position_on_event(_: &Self::Event) -> bool {
         todo!()
     }