debugger: Improve focus states (#29469)

Closes #ISSUE

Release Notes:

- N/A *or* Added/Fixed/Improved ...

crates/workspace/src/pane.rs

@@ -2147,6 +2147,7 @@ impl Pane {
                 detail: Some(detail),
                 selected: is_active,
                 preview: is_preview,
+                deemphasized: !self.has_focus(window, cx),
             },
             window,
             cx,
@@ -3687,6 +3688,7 @@ impl Render for DraggedTab {
                 detail: Some(self.detail),
                 selected: false,
                 preview: false,
+                deemphasized: false,
             },
             window,
             cx,