Fix showing "enter Accept" for prediction with LSP menu open (#24218)

Release Notes:

- N/A

crates/editor/src/element.rs

@@ -3276,10 +3276,7 @@ impl EditorElement {
                         accept_keystroke = Some(Keystroke {
                             modifiers: gpui::Modifiers {
                                 alt: true,
-                                control: false,
+                                ..Default::default()
-                                shift: false,
-                                platform: false,
-                                function: false,
                             },
                             key: "tab".to_string(),
                             key_char: None,
@@ -3291,10 +3288,7 @@ impl EditorElement {
                         accept_keystroke = Some(Keystroke {
                             modifiers: gpui::Modifiers {
                                 alt: true,
-                                control: false,
+                                ..Default::default()
-                                shift: false,
-                                platform: false,
-                                function: false,
                             },
                             key: "enter".to_string(),
                             key_char: None,
@@ -3687,12 +3681,13 @@ impl EditorElement {
 
         match &active_inline_completion.completion {
             InlineCompletion::Move { target, .. } => {
+                let previewing = false;
                 let target_display_point = target.to_display_point(editor_snapshot);
                 if target_display_point.row().as_f32() < scroll_top {
                     let mut element = inline_completion_accept_indicator(
                         "Jump to Edit",
                         Some(IconName::ArrowUp),
-                        true,
+                        previewing,
                         self.editor.focus_handle(cx),
                         window,
                         cx,
@@ -3705,7 +3700,7 @@ impl EditorElement {
                     let mut element = inline_completion_accept_indicator(
                         "Jump to Edit",
                         Some(IconName::ArrowDown),
-                        true,
+                        previewing,
                         self.editor.focus_handle(cx),
                         window,
                         cx,
@@ -3721,7 +3716,7 @@ impl EditorElement {
                     let mut element = inline_completion_accept_indicator(
                         "Jump to Edit",
                         None,
-                        true,
+                        previewing,
                         self.editor.focus_handle(cx),
                         window,
                         cx,
@@ -3789,7 +3784,7 @@ impl EditorElement {
                         let mut element = inline_completion_accept_indicator(
                             "Accept",
                             None,
-                            !previewing,
+                            previewing,
                             self.editor.focus_handle(cx),
                             window,
                             cx,
@@ -5827,17 +5822,40 @@ fn header_jump_data(
 fn inline_completion_accept_indicator(
     label: impl Into<SharedString>,
     icon: Option<IconName>,
-    show_modifiers: bool,
+    previewing: bool,
     focus_handle: FocusHandle,
     window: &Window,
     cx: &App,
 ) -> AnyElement {
-    let bindings = window.bindings_for_action_in(&crate::AcceptInlineCompletion, &focus_handle);
+    let use_hardcoded_linux_preview_binding;
-    let Some(accept_keystroke) = bindings
+
-        .last()
+    #[cfg(target_os = "macos")]
-        .and_then(|binding| binding.keystrokes().first())
+    {
-    else {
+        use_hardcoded_linux_preview_binding = false;
-        return div().into_any();
+    }
+
+    #[cfg(not(target_os = "macos"))]
+    {
+        use_hardcoded_linux_preview_binding = previewing;
+    }
+
+    let accept_keystroke = if use_hardcoded_linux_preview_binding {
+        Keystroke {
+            modifiers: Default::default(),
+            key: "enter".to_string(),
+            key_char: None,
+        }
+    } else {
+        let bindings = window.bindings_for_action_in(&crate::AcceptInlineCompletion, &focus_handle);
+        if let Some(keystroke) = bindings
+            .last()
+            .and_then(|binding| binding.keystrokes().first())
+        {
+            // TODO: clone unnecessary once `use_hardcoded_linux_preview_binding` is removed.
+            keystroke.clone()
+        } else {
+            return div().into_any();
+        }
     };
 
     let accept_key = h_flex()
@@ -5846,7 +5864,7 @@ fn inline_completion_accept_indicator(
         .text_size(TextSize::XSmall.rems(cx))
         .text_color(cx.theme().colors().text)
         .gap_1()
-        .when(show_modifiers, |parent| {
+        .when(!previewing, |parent| {
             parent.children(ui::render_modifiers(
                 &accept_keystroke.modifiers,
                 PlatformStyle::platform(),