Fix focused expression input outline styling
This is necessary due to this change in upstream CodeMirror:
Currently the expression input shows a weird dotted outline when focused.
@@ -2,7 +2,7 @@ import { HighlightStyle, tags } from '@codemirror/highlight';
import { EditorView } from '@codemirror/view';
export const baseTheme = EditorView.theme({
- '&': {
+ '&.cm-editor': {
'&.cm-focused': {
outline: 'none',
outline_fallback: 'none',
