Update angular to v15

angular.json

karma.conf.js

package-lock.json

package.json

src/app/app.module.ts

...figuration/details/configurationdetails.component.spec.ts

src/app/appmarket/appdetails/appdetails.component.spec.ts

...ket/appinstance/appinstance/appinstance.component.spec.ts

...nstance/appinstancelist/appinstancelist.component.spec.ts

...als/app-restart-modal/app-restart-modal.component.spec.ts

...als/app-upgrade-modal/app-upgrade-modal.component.spec.ts

...d-edit-component/app-access-method-edit.component.spec.ts

...ement/app-add-json-app/app-add-json-app.component.spec.ts

...on-version-app/app-add-json-version-app.component.spec.ts

...ange-owner-modal/app-change-owner-modal.component.spec.ts

...t/app-management-list/appmanagementlist.component.spec.ts

...et/appmanagement/app-preview/apppreview.component.spec.ts

...-edit-component/app-storage-volume-edit.component.spec.ts

...arket/appmanagement/json-edit/json-edit.component.spec.ts

...ppDeployment/appSelection/appdeployment.component.spec.ts