fix(editor): Enable explicit undo keyboard shortcut across all code editors (#8178)

Fixes [ADO-801](https://linear.app/n8n/issue/ADO-801),
[PAY-632](https://linear.app/n8n/issue/PAY-632), and
[PAY-730](https://linear.app/n8n/issue/PAY-730)
Also fixes #5297

## Review / Merge checklist
- [x] PR title and summary are descriptive

packages/editor-ui/src/components/InlineExpressionEditor/InlineExpressionEditorInput.vue

@@ -8,7 +8,7 @@ import type { PropType } from 'vue';
 import { mapStores } from 'pinia';
 import { EditorView, keymap } from '@codemirror/view';
 import { Compartment, EditorState, Prec } from '@codemirror/state';
-import { history, redo } from '@codemirror/commands';
+import { history, redo, undo } from '@codemirror/commands';
 import { acceptCompletion, autocompletion, completionStatus } from '@codemirror/autocomplete';
 
 import { useNDVStore } from '@/stores/ndv.store';
@@ -29,6 +29,7 @@ export default defineComponent({
 	props: {
 		modelValue: {
 			type: String,
+			required: true,
 		},
 		isReadOnly: {
 			type: Boolean,
@@ -40,6 +41,7 @@ export default defineComponent({
 		},
 		path: {
 			type: String,
+			required: true,
 		},
 		additionalData: {
 			type: Object as PropType<IDataObject>,
@@ -103,6 +105,7 @@ export default defineComponent({
 							return false;
 						},
 					},
+					{ key: 'Mod-z', run: undo },
 					{ key: 'Mod-Shift-z', run: redo },
 				]),
 			),