Feature/fix cron filter advanced visibility disabled (#350)

* fixed whitespace issue when advanced visibility is disabled for the cluster.

* changing prop type for feature flag grow to allow string

* fixing test by increasing delay time.

* adding delay to test after the modal is opened before checking text.

client/components/feature-flag.vue

@@ -30,7 +30,7 @@ export default {
       validator: value => ['inline', 'inline-block'].includes(value),
     },
     grow: {
-      type: Number,
+      type: [String, Number],
     },
     margin: {
       type: String,

client/containers/workflow-list/component.vue

@@ -474,6 +474,7 @@ export default {
             grow="1"
             margin="5px"
             name="workflowListIsCron"
+            v-if="isCronInputVisible"
             width="115px"
           >
             <select-input
@@ -482,7 +483,6 @@ export default {
               :options="isCronList"
               :value="isCron"
               @change="onIsCronChange"
-              v-if="isCronInputVisible"
             />
           </feature-flag>
           <flex-grid-item grow="1" width="105px">

client/test/workflow.test.js

@@ -353,6 +353,8 @@ describe('Workflow', () => {
           '[data-modal="confirm-termination"]'
         );
 
+        await Promise.delay(50);
+
         confirmTerminateEl.should.contain.text(
           'Are you sure you want to terminate this workflow?'
         );