MDL-66312 js: Autocomplete promises were inside out

The pending promise should nott be resolved until the changes are
complete.
Previously the resolution of the pendingPromise was triggering the other
changes.

lib/amd/src/form-autocomplete.js

@@ -712,24 +712,29 @@ define(['jquery', 'core/log', 'core/str', 'core/templates', 'core/notification']
             window.setTimeout(function() {
                 // Get the current element with focus.
                 var focusElement = $(document.activeElement);
+                var timeoutPromise = $.Deferred();
 
                 // Only close the menu if the input hasn't regained focus, and if the element still exists.
                 // Due to the half a second delay, it is possible that the input element no longer exist
                 // by the time this code is being executed.
                 if (focusElement.attr('id') != inputElement.attr('id') && $('#' + state.inputId).length) {
                     if (options.tags) {
-                        pendingPromise.then(function() {
+                        timeoutPromise.then(function() {
                             return createItem(options, state, originalSelect);
                         })
                         .catch();
                     }
-                    pendingPromise.then(function() {
+                    timeoutPromise.then(function() {
                         return closeSuggestions(state);
                     })
                     .catch();
                 }
 
-                pendingPromise.resolve();
+                timeoutPromise.then(function() {
+                    return pendingPromise.resolve();
+                })
+                .catch();
+                timeoutPromise.resolve();
             }, 500);
         });
         if (options.showSuggestions) {