fix: LSDV-3009: Fix draft saving stuck (#1193)

Co-authored-by: hlomzik <hlomzik@gmail.com>

Author: Gondragos

src/stores/Annotation/Annotation.js

@@ -11,7 +11,16 @@ import Types from '../../core/Types';
 import Area from '../../regions/Area';
 import Result from '../../regions/Result';
 import Utils from '../../utils';
-import { FF_DEV_1284, FF_DEV_1598, FF_DEV_2100, FF_DEV_2100_A, FF_DEV_2432, FF_DEV_3391, isFF } from '../../utils/feature-flags';
+import {
+  FF_DEV_1284,
+  FF_DEV_1598,
+  FF_DEV_2100,
+  FF_DEV_2100_A,
+  FF_DEV_2432,
+  FF_DEV_3391,
+  FF_LSDV_3009,
+  isFF
+} from '../../utils/feature-flags';
 import { delay, isDefined } from '../../utils/utilities';
 import { CommentStore } from '../Comment/CommentStore';
 import RegionStore from '../RegionStore';
@@ -646,7 +655,7 @@ export const Annotation = types
       const result = self.serializeAnnotation({ fast: true });
       // if this is new annotation and no regions added yet
 
-      if (!self.pk && !result.length) return;
+      if (!isFF(FF_LSDV_3009) && !self.pk && !result.length) return;
 
       self.setDraftSelected();
       self.versions.draft = result;

src/utils/feature-flags.ts

@@ -166,6 +166,14 @@ export const FF_LSDV_1148 = 'fflag_fix_font_lsdv_1148_hotkeys_namespaces_0102202
  */
 export const FF_LSDV_3028 = 'fflag_feat_front_lsdv_3028_audio_v3_multichannel_default_17022023_short';
 
+/**
+ * Removing interrupting from the draft saving
+ *
+ * Without this flag we have a situation when changes in history leading to the empty results break functionality of adding comments and make the draft saving process indicator stay forever.
+ * @link https://app.launchdarkly.com/default/production/features/fflag_fix_font_lsdv_1148_hotkeys_namespaces_01022023_short
+ */
+export const FF_LSDV_3009 = 'fflag_fix_font_lsdv_3009_draft_saving_stuck_130223_short';
+
 function getFeatureFlags() {
   return {
     ...(window.APP_SETTINGS?.feature_flags ?? {}),