Switch MouseEventHandler to use MouseRegions

Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>

crates/workspace/src/lsp_status.rs

@@ -168,7 +168,8 @@ impl View for LspStatus {
                     self.failed.join(", "),
                     if self.failed.len() > 1 { "s" } else { "" }
                 );
-                handler = Some(|_, cx: &mut EventContext| cx.dispatch_action(DismissErrorMessage));
+                handler =
+                    Some(|_, _, cx: &mut EventContext| cx.dispatch_action(DismissErrorMessage));
             } else {
                 return Empty::new().boxed();
             }