debugger: Fix focus nits (#30547)

- Focus the console's query bar (if it exists) when focusing the console
- Fix incorrect focus handles used for the console and terminal at the
`Subview` level

Release Notes:

- N/A

Co-authored-by: Piotr <piotr@zed.dev>
Co-authored-by: Anthony <anthony@zed.dev>

crates/debugger_ui/src/persistence.rs

@@ -278,7 +278,7 @@ pub(crate) fn deserialize_pane_layout(
                         cx,
                     )),
                     DebuggerPaneItem::Console => Box::new(SubView::new(
-                        pane.focus_handle(cx),
+                        console.focus_handle(cx),
                         console.clone().into(),
                         DebuggerPaneItem::Console,
                         Some(Box::new({
@@ -292,7 +292,7 @@ pub(crate) fn deserialize_pane_layout(
                         cx,
                     )),
                     DebuggerPaneItem::Terminal => Box::new(SubView::new(
-                        pane.focus_handle(cx),
+                        terminal.focus_handle(cx),
                         terminal.clone().into(),
                         DebuggerPaneItem::Terminal,
                         None,