Fix bug where dropdowns would not dismiss properly

app/assets/javascripts/filtered_search/dropdown_assignee.js.es6

@@ -29,7 +29,7 @@
         gl.FilteredSearchManager.addWordToInput(this.getSelectedText(username));
       }
 
-      this.dismissDropdown();
+      this.dismissDropdown(!dataValueSet);
     }
 
     renderContent() {

app/assets/javascripts/filtered_search/dropdown_hint.js.es6

@@ -34,16 +34,19 @@
 
     itemClicked(e) {
       const selected = e.detail.selected;
-      if (!selected.hasAttribute('data-value')) {
+
+      if (selected.hasAttribute('data-value')) {
+        this.dismissDropdown();
+      } else {
         const token = selected.querySelector('.js-filter-hint').innerText.trim();
         const tag = selected.querySelector('.js-filter-tag').innerText.trim();
 
         if (tag.length) {
           gl.FilteredSearchManager.addWordToInput(this.getSelectedText(token));
         }
+        this.dismissDropdown();
+        this.dispatchInputEvent();
       }
-
-      this.dismissDropdown();
     }
 
     renderContent() {

app/assets/javascripts/filtered_search/dropdown_label.js.es6

@@ -26,7 +26,8 @@
         gl.FilteredSearchManager.addWordToInput(labelName);
       }
 
-      this.dismissDropdown();
+      // debugger
+      this.dismissDropdown(!dataValueSet);
     }
 
     renderContent() {

app/assets/javascripts/filtered_search/dropdown_milestone.js.es6

@@ -26,7 +26,7 @@
         gl.FilteredSearchManager.addWordToInput(this.getSelectedText(milestoneName));
       }
 
-      this.dismissDropdown();
+      this.dismissDropdown(!dataValueSet);
     }
 
     renderContent() {

app/assets/javascripts/filtered_search/filtered_search_dropdown.js.es6

@@ -77,11 +77,15 @@
     }
 
     dismissDropdown() {
+      this.getCurrentHook().list.hide();
       this.input.focus();
+    }
+
+    dispatchInputEvent() {
       // Propogate input change to FilteredSearchManager
       // so that it can determine which dropdowns to open
       this.input.dispatchEvent(new Event('input'));
-    }  
+    }
 
     render(forceRenderContent) {
       this.setAsDropdown();
@@ -91,7 +95,6 @@
       if (firstTimeInitialized || forceRenderContent) {
         this.renderContent();
       } else if(this.getCurrentHook().list.list.id !== this.listId) {
-        // this.droplab.changeHookList(this.hookId, `#${this.listId}`);
         this.renderContent();
       }
     }