Add settings to remote servers, use XDG paths on remote, and enable node LSPs (#19176)

Supersedes https://github.com/zed-industries/zed/pull/19166

TODO:
- [x] Update basic zed paths
- [x] update create_state_directory
- [x] Use this with `NodeRuntime`
- [x] Add server settings
- [x] Add an 'open server settings command'
- [x] Make sure it all works


Release Notes:

- Updated the actions `zed::OpenLocalSettings` and `zed::OpenLocalTasks`
to `zed::OpenProjectSettings` and `zed::OpenProjectTasks`.

---------

Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Richard <richard@zed.dev>

crates/proto/proto/zed.proto

@@ -287,7 +287,12 @@ message Envelope {
 
         RemoveWorktree remove_worktree = 258;
 
-        LanguageServerLog language_server_log = 260; // current max
+        LanguageServerLog language_server_log = 260;
+
+        Toast toast = 261;
+        HideToast hide_toast = 262;
+
+        OpenServerSettings open_server_settings = 263; // current max
     }
 
     reserved 87 to 88;
@@ -2487,3 +2492,18 @@ message ShutdownRemoteServer {}
 message RemoveWorktree {
     uint64 worktree_id = 1;
 }
+
+message Toast {
+    uint64 project_id = 1;
+    string notification_id = 2;
+    string message = 3;
+}
+
+message HideToast {
+    uint64 project_id = 1;
+    string notification_id = 2;
+}
+
+message OpenServerSettings {
+    uint64 project_id = 1;
+}

crates/proto/src/proto.rs

@@ -367,6 +367,9 @@ messages!(
     (ShutdownRemoteServer, Foreground),
     (RemoveWorktree, Foreground),
     (LanguageServerLog, Foreground),
+    (Toast, Background),
+    (HideToast, Background),
+    (OpenServerSettings, Foreground),
 );
 
 request_messages!(
@@ -490,7 +493,8 @@ request_messages!(
     (AddWorktree, AddWorktreeResponse),
     (CheckFileExists, CheckFileExistsResponse),
     (ShutdownRemoteServer, Ack),
-    (RemoveWorktree, Ack)
+    (RemoveWorktree, Ack),
+    (OpenServerSettings, OpenBufferResponse)
 );
 
 entity_messages!(
@@ -564,6 +568,10 @@ entity_messages!(
     UpdateUserSettings,
     CheckFileExists,
     LanguageServerLog,
+    Toast,
+    HideToast,
+    OpenServerSettings,
+
 );
 
 entity_messages!(