fix: double check error when no value on single searchable select

src/app/shared/components/presentationals/shared-searchable-single-select/shared-searchable-single-select.presentational.html

 <mat-form-field [floatLabel]="floatLabel"
                 (click)="focusInputIfNotClickTarget($event, input)"
-                [dlcmSpinner]="(this.formLabel.get(this.formDefinition.value).value | isNullOrUndefined) && (isLoadingObs | async)"
+                [dlcmSpinner]="!labelInitialized && (isLoadingObs | async)"
                 [dlcmSpinnerStrokeWidth]="2"
                 [dlcmSpinnerDiameter]="24"
 >

src/app/shared/components/presentationals/shared-searchable-single-select/shared-searchable-single-select.presentational.ts

@@ -99,6 +99,8 @@ export class SharedSearchableSingleSelectPresentational extends SharedAbstractPr
   alreadyInit: boolean = false;
   noFormControl: boolean;
 
+  labelInitialized: boolean = false;
+
   get formValidationHelper(): typeof FormValidationHelper {
     return FormValidationHelper;
   }
@@ -148,6 +150,8 @@ export class SharedSearchableSingleSelectPresentational extends SharedAbstractPr
     this.isLoadingObs = this.getSelectorWithMemoizedSelectorName("isLoading");
     if (!isNullOrUndefined(key) && isNonEmptyString(key)) {
       this._store.dispatch(new this.resourceNameSpace.GetById(key));
+    } else {
+      this.labelInitialized = true;
     }
   }
 
@@ -165,6 +169,7 @@ export class SharedSearchableSingleSelectPresentational extends SharedAbstractPr
         } else {
           this.formLabel.get(this.formDefinition.value).setValue("Label not found for " + this.formControl.value);
         }
+        this.labelInitialized = true;
         this.computeFloatLabel();
       }),
     ));