feat: Use vue-router on widget route management (#3415)

* feat: Add vue-router to widget

Co-authored-by: Pranav <pranav@chatwoot.com>

* Move to dynamic imports

* Move to routerMixin

* Fix popup button display

* Remove unnecessary import

* router -> route

* Fix open state

* Fix issues

* Remove used CSS

* Fix specs

* Fix specs

* Fix widgetColor specs

* Fix mutation specs

* Fixes broken lint errors

* Fixes issues with widget flow

Co-authored-by: Nithin <nithin@chatwoot.com>
Co-authored-by: Nithin David <1277421+nithindavid@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/widget/mixins/routerMixin.js

@@ -0,0 +1,10 @@
+export default {
+  methods: {
+    async replaceRoute(name) {
+      if (this.$route.name !== name) {
+        return this.$router.replace({ name });
+      }
+      return undefined;
+    },
+  },
+};