OZG-3114 compose method

goofy-client/libs/vorgang-shared-ui/src/lib/vorgang-search-container/vorgang-search/vorgang-search.component.ts

@@ -64,8 +64,12 @@ export class VorgangSearchComponent {
 	}
 
 	focusOut(event: FocusEvent): void {
-		if (event.relatedTarget !== this.searchSubmitButton._elementRef.nativeElement) {
+		if (!this.isRelatedFocusedElementSearchSubmitButton(event)) {
 			this.formService.form.controls[this.formService.SEARCH_FIELD].setValue(this.searchValueFocusIn);
 		}
 	}
+
+	private isRelatedFocusedElementSearchSubmitButton(event: FocusEvent): boolean {
+		return event.relatedTarget === this.searchSubmitButton._elementRef.nativeElement;
+	}
 }
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