Fix issue with unavailable operations

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/workflowengine/src/components/Rule.vue

 <template>
-	<div class="section rule" :style="{ borderLeftColor: operation.color || '' }">
+	<div v-if="operation" class="section rule" :style="{ borderLeftColor: operation.color || '' }">
 		<div class="trigger">
 			<p>
 				<span>{{ t('workflowengine', 'When') }}</span>

apps/workflowengine/src/helpers/api.js

@@ -19,10 +19,11 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-const scopeValue = OCP.InitialState.loadState('workflowengine', 'scope') === 0 ? 'global' : 'user'
 
 import { loadState } from '@nextcloud/initial-state'
 
+const scopeValue = loadState('workflowengine', 'scope') === 0 ? 'global' : 'user'
+
 const getApiUrl = (url) => {
 	return OC.linkToOCS('apps/workflowengine/api/v1/workflows', 2) + scopeValue + url + '?format=json'
 }