Merge pull request #30490 from overleaf/mg-context-menu-a11y

[web] Add a11y support for context menu

GitOrigin-RevId: 3cbe66ee3ee8345dd0e89f89561928889832a50d

services/web/frontend/js/features/source-editor/extensions/toolbar/commands.ts

@@ -168,12 +168,19 @@ export const addComment = () => {
 }
 
 export const deleteSelection: Command = view => {
-  const { from, to } = view.state.selection.main
-  if (from === to) return false
+  if (view.state.selection.ranges.every(range => range.empty)) return false
 
-  view.dispatch({
-    changes: { from, to, insert: '' },
-    selection: { anchor: from },
+  const transaction = view.state.changeByRange(range => {
+    if (range.empty) {
+      return { changes: [], range }
+    }
+
+    return {
+      changes: { from: range.from, to: range.to, insert: '' },
+      range: EditorSelection.cursor(range.from),
+    }
   })
+
+  view.dispatch(transaction)
   return true
 }