debugger: Process ANSI color escape codes in console (#32817)

- [x] foreground highlights
- [x] background highlights
- [x] advertise support in DAP capabilities

Closes #31372

Release Notes:

- Debugger Beta: added basic support for highlighting in the console
based on ANSI escape codes.

crates/vim/src/replace.rs

@@ -217,8 +217,8 @@ impl Vim {
         window: &mut Window,
         cx: &mut Context<Editor>,
     ) {
-        if let Some((_, ranges)) = editor.clear_background_highlights::<VimExchange>(cx) {
-            let previous_range = ranges[0].clone();
+        if let Some(highlights) = editor.clear_background_highlights::<VimExchange>(cx) {
+            let previous_range = highlights[0].range.clone();
 
             let new_range_start = new_range.start.to_offset(&snapshot.buffer_snapshot);
             let new_range_end = new_range.end.to_offset(&snapshot.buffer_snapshot);
@@ -261,7 +261,7 @@ impl Vim {
             let ranges = [new_range];
             editor.highlight_background::<VimExchange>(
                 &ranges,
-                |theme| theme.editor_document_highlight_read_background,
+                |theme| theme.colors().editor_document_highlight_read_background,
                 cx,
             );
         }