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/store/modules/specs/campaign/getters.spec.js

@@ -129,17 +129,4 @@ describe('#getters', () => {
       updated_at: '2021-05-03T04:53:36.354Z',
     });
   });
-  it('getCampaignHasExecuted', () => {
-    const state = {
-      records: [],
-      uiFlags: {
-        isError: false,
-        hasFetched: false,
-      },
-      activeCampaign: {},
-      campaignHasExecuted: false,
-    };
-
-    expect(getters.getCampaignHasExecuted(state)).toEqual(false);
-  });
 });