Don't run MCP servers for remote projects (#39243)

Closes #39213

Release Notes:

- Fixed a bug where we tried to run MCP servers in the remote project's
working directory on the local machine

crates/project/src/context_server_store.rs

@@ -472,22 +472,23 @@ impl ContextServerStore {
         configuration: Arc<ContextServerConfiguration>,
         cx: &mut Context<Self>,
     ) -> Arc<ContextServer> {
-        let root_path = self
-            .project
-            .read_with(cx, |project, cx| project.active_project_directory(cx))
-            .ok()
-            .flatten()
-            .or_else(|| {
-                self.worktree_store.read_with(cx, |store, cx| {
-                    store.visible_worktrees(cx).fold(None, |acc, item| {
-                        if acc.is_none() {
-                            item.read(cx).root_dir()
-                        } else {
-                            acc
+        let project = self.project.upgrade();
+        let mut root_path = None;
+        if let Some(project) = project {
+            let project = project.read(cx);
+            if project.is_local() {
+                if let Some(path) = project.active_project_directory(cx) {
+                    root_path = Some(path);
+                } else {
+                    for worktree in self.worktree_store.read(cx).visible_worktrees(cx) {
+                        if let Some(path) = worktree.read(cx).root_dir() {
+                            root_path = Some(path);
+                            break;
                         }
-                    })
-                })
-            });
+                    }
+                }
+            }
+        };
 
         if let Some(factory) = self.context_server_factory.as_ref() {
             factory(id, configuration)