fix: keyword input when backend return an array with a string empty

src/app/shared/components/presentationals/shared-keyword-input/shared-keyword-input.presentational.ts

@@ -73,7 +73,7 @@ export class SharedKeywordInputPresentational extends SharedAbstractPresentation
   }
 
   ngOnInit(): void {
-    if (isNullOrUndefined(this.formControl.value) || !isArray(this.formControl.value)) {
+    if (isNullOrUndefined(this.formControl.value) || !isArray(this.formControl.value) || (this.formControl.value.length === 1 && this.formControl.value[0] === StringUtil.stringEmpty)) {
       this.formControl.setValue([]);
     }