Revert "refactor: useRouteHelper to useReplaceRoute"

This reverts commit a0153daca4.

app/javascript/widget/components/ChatHeader.vue

@@ -3,7 +3,7 @@ import availabilityMixin from 'widget/mixins/availability';
 import nextAvailabilityTime from 'widget/mixins/nextAvailabilityTime';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
 import HeaderActions from './HeaderActions.vue';
-import { useReplaceRoute } from 'widget/composables/useReplaceRoute';
+import { useRouterHelper } from 'widget/composables/useRouterHelper';
 import darkMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
@@ -36,7 +36,7 @@ export default {
     },
   },
   setup() {
-    const replaceRoute = useReplaceRoute();
+    const { replaceRoute } = useRouterHelper();
     return { replaceRoute };
   },
   computed: {