Wait for prop data before rendering Entity Tab data

src/dispatch/static/dispatch/src/case/EditSheet.vue

@@ -60,7 +60,11 @@
           <workflow-instance-tab v-model="workflow_instances" />
         </v-tab-item>
         <v-tab-item key="entities">
-          <entities-tab :selected="selected" v-model="signal_instances" />
+          <entities-tab
+            :selected="selected"
+            v-model="signal_instances"
+            v-if="selected.signal_instances"
+          />
         </v-tab-item>
         <v-tab-item key="signal_instances">
           <signal-instance-tab v-model="signal_instances" />

src/dispatch/static/dispatch/src/entity/EntitiesTab.vue

@@ -1,6 +1,6 @@
 <template>
   <v-container>
-    <v-row justify="end">
+    <v-row justify="center">
       <date-chip-group-relative
         class="pl-6 mt-6"
         label="Time Range"

src/dispatch/static/dispatch/src/entity_type/EntityTypeCreateDialog.vue

@@ -298,7 +298,6 @@ export default {
     if (this.project) {
       this.selected.project = this.project
     }
-    this.getSignalData()
   },
   watch: {
     "selected.regular_expression": function (newVal, oldVal) {