feat: Add separators on context menu (#2659)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dwelle <luzar.david@gmail.com>
Co-authored-by: Lipis <lipiridis@gmail.com>

src/actions/actionToggleGridMode.tsx

@@ -0,0 +1,21 @@
+import { CODES, KEYS } from "../keys";
+import { register } from "./register";
+import { GRID_SIZE } from "../constants";
+
+export const actionToggleGridMode = register({
+  name: "gridMode",
+  perform(elements, appState) {
+    this.checked = !this.checked;
+    return {
+      appState: {
+        ...appState,
+        gridSize: this.checked ? GRID_SIZE : null,
+      },
+      commitToHistory: false,
+    };
+  },
+  checked: false,
+  contextItemLabel: "labels.gridMode",
+  // Wrong event code
+  keyTest: (event) => event[KEYS.CTRL_OR_CMD] && event.code === CODES.QUOTE,
+});