workspace: Fix overflow in error popup (#59185)

Release Notes:

- Fixed an issue where the close button could overflow within a
workspace error popup.

---------

Co-authored-by: Lukas Wirth <lukas@zed.dev>
Co-authored-by: Lukas Wirth <me@lukaswirth.dev>

crates/workspace/src/notifications.rs

@@ -977,6 +977,7 @@ pub mod simple_message_notification {
 
             let copy_text = self.copy_text.clone();
             let header_actions = h_flex()
+                .flex_shrink_0()
                 .gap_1()
                 .when_some(copy_text, |el, text| {
                     el.child(
@@ -1157,6 +1158,8 @@ pub mod simple_message_notification {
                                 .items_start()
                                 .child(
                                     v_flex()
+                                        .flex_1()
+                                        .min_w_0()
                                         .gap_0p5()
                                         .when_some(self.title.clone(), |div, title| {
                                             div.child(Label::new(title))
@@ -1270,13 +1273,11 @@ pub mod simple_message_notification {
             struct LanguageServerError;
             impl WorkspaceError for LanguageServerError {
                 fn primary_message(&self) -> SharedString {
-                    "Couldn't reach the language server.".into()
+                    "Error: Prepare rename via rust-analyzer failed: No references found at position"
+                        .into()
                 }
                 fn secondary_message(&self) -> Option<SharedString> {
-                    Some(
-                        "Make sure the server is installed and your network connection is working."
-                            .into(),
-                    )
+                    None
                 }
                 fn primary_action(&self) -> ErrorAction {
                     ErrorAction::dismiss()

crates/zed/src/zed.rs

@@ -1324,7 +1324,9 @@ fn register_actions(
 
         impl WorkspaceError for DebugError {
             fn primary_message(&self) -> SharedString {
-                SharedString::new_static("This is an error.")
+                SharedString::new_static(
+                    "Error: Prepare rename via rust-analyzer failed: No references found at position",
+                )
             }
 
             fn severity(&self) -> ErrorSeverity {