OZG-6676 OZG-7029 Apply code review improvements

alfa-client/libs/zustaendige-stelle/src/lib/search-zustaendige-stelle-dialog/search-zustaendige-stelle-dialog.component.spec.ts

@@ -215,21 +215,21 @@ describe('SearchZustaendigeStelleDialogComponent', () => {
     });
   });
 
-  describe('isButtonElement', () => {
-    it('should return true', () => {
+  describe('isNotButtonElement', () => {
+    it('should return false', () => {
       const element: Element = { tagName: 'BUTTON' } as Element;
 
-      const result: boolean = component.isButtonElement(element);
+      const result: boolean = component.isNotButtonElement(element);
 
-      expect(result).toBe(true);
+      expect(result).toBe(false);
     });
 
     it('should return true', () => {
       const element: Element = { tagName: 'INPUT' } as Element;
 
-      const result: boolean = component.isButtonElement(element);
+      const result: boolean = component.isNotButtonElement(element);
 
-      expect(result).toBe(false);
+      expect(result).toBe(true);
     });
   });
 });

alfa-client/libs/zustaendige-stelle/src/lib/search-zustaendige-stelle-dialog/search-zustaendige-stelle-dialog.component.ts

@@ -26,7 +26,7 @@ export class SearchZustaendigeStelleDialogComponent<T extends Resource> implemen
 
   @HostListener('document:keydown', ['$event'])
   onKeyDownHandler(e: KeyboardEvent) {
-    if (e.key === 'Enter' && !this.isButtonElement(e.target as Element)) {
+    if (e.key === 'Enter' && this.isNotButtonElement(e.target as Element)) {
       e.preventDefault();
     }
   }
@@ -50,7 +50,7 @@ export class SearchZustaendigeStelleDialogComponent<T extends Resource> implemen
     this.dialogRef.close();
   }
 
-  public isButtonElement(e: Element): boolean {
-    return e.tagName === 'BUTTON';
+  public isNotButtonElement(e: Element): boolean {
+    return e.tagName !== 'BUTTON';
   }
 }