Merge pull request #3645 from NashTechOpenUniversity/MOBILE-4300

MOBILE-4300 course-storage: Update section size when delete all

src/addons/storagemanager/pages/course-storage/course-storage.ts

@@ -492,6 +492,11 @@ export class AddonStorageManagerCourseStoragePage implements OnInit, OnDestroy {
 
             await this.updateModulesSizes(modules, section);
             CoreCourseHelper.calculateSectionsStatus(this.sections, this.courseId, false, false);
+
+            // For delete all, reset all section sizes so icons are updated.
+            if (this.totalSize === 0) {
+                this.sections.map(section => section.totalSize = 0);
+            }
             this.changeDetectorRef.markForCheck();
         }
     }