[NAE-1766] Options on multichoice autocomplete do not refresh in a specific situation

- fix

Author: machacjozef

projects/netgrif-components-core/src/lib/data-fields/multichoice-field/multichoice-autocomplete-field/abstract-multichoice-autocomplete-field-component.component.ts

@@ -5,7 +5,7 @@ import {WrappedBoolean} from '../../data-field-template/models/wrapped-boolean';
 import {COMMA, ENTER} from '@angular/cdk/keycodes';
 import {MatChipInputEvent} from '@angular/material/chips';
 import {Observable, of} from 'rxjs';
-import {map, startWith} from 'rxjs/operators';
+import {map, startWith, tap} from 'rxjs/operators';
 import {MultichoiceAutocompleteFilterProperty} from './multichoice-autocomplete-filter-property';
 
 @Component({
@@ -38,6 +38,7 @@ export abstract class AbstractMultichoiceAutocompleteFieldComponentComponent imp
         const value = (event['key'] || '');
 
         if (value) {
+            this.multichoiceField.value = this.multichoiceField.value === null ? [] : this.multichoiceField.value
             const choiceArray = [...this.multichoiceField.value];
             choiceArray.push(value);
             this.multichoiceField.value = choiceArray;

projects/netgrif-components-core/src/lib/task-content/services/task-content.service.ts

@@ -342,20 +342,20 @@ export abstract class TaskContentService implements OnDestroy {
     private isFieldInTaskRef(changedField: string): boolean {
         return !!this.taskFieldsIndex &&
             Object.keys(this.taskFieldsIndex)
-            .some(taskId => taskId !== this.task.stringId && this.taskFieldsIndex[taskId].fields[changedField]);
+                .some(taskId => taskId !== this.task.stringId && this.taskFieldsIndex[taskId].fields[changedField]);
     }
 
     private getReferencedTransitionId(changedField: string): string {
         if (!!this.taskFieldsIndex) {
-           const taskFieldsIndexId = this.getReferencedFieldTask(changedField);
-           return this.taskFieldsIndex[taskFieldsIndexId].transitionId;
+            const taskFieldsIndexId = this.getReferencedFieldTask(changedField);
+            return this.taskFieldsIndex[taskFieldsIndexId].transitionId;
         }
         return undefined;
     }
 
     private getReferencedTaskId(changedField: string): string {
         if (!!this.taskFieldsIndex) {
-            return  Object.keys(this.taskFieldsIndex).find(taskId =>
+            return Object.keys(this.taskFieldsIndex).find(taskId =>
                 Object.keys(this.taskFieldsIndex[taskId].fields).includes(changedField));
         }
         return undefined;