OZG-7006 fix hide form handling

Sub task: OZG-7177

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-in-vorgang/externe-fachstelle-container/externe-fachstelle-container.component.spec.ts

@@ -92,16 +92,6 @@ describe('ExterneFachstelleContainerComponent', () => {
     });
   });
 
-  describe('ngOnDestroy', () => {
-    it('should call hideForm', () => {
-      component.hideForm = jest.fn();
-
-      component.ngOnDestroy();
-
-      expect(component.hideForm).toHaveBeenCalled();
-    });
-  });
-
   describe('hideForm', () => {
     it('should call service to hide form', () => {
       component.hideForm();

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-in-vorgang/externe-fachstelle-container/externe-fachstelle-container.component.ts

@@ -27,10 +27,6 @@ export class ExterneFachstelleContainerComponent {
     this.isFormVisible$ = this.service.isExterneFachstelleFormVisible();
   }
 
-  ngOnDestroy(): void {
-    this.hideForm();
-  }
-
   public hideForm(): void {
     this.service.hideExterneFachstelleForm();
     this.formService.reset();

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-in-vorgang/organisations-einheit-container/organisations-einheit-container.component.spec.ts

@@ -92,16 +92,6 @@ describe('OrganisationsEinheitContainerComponent', () => {
     });
   });
 
-  describe('ngOnDestroy', () => {
-    it('should call hideForm', () => {
-      component.hideForm = jest.fn();
-
-      component.ngOnDestroy();
-
-      expect(component.hideForm).toHaveBeenCalled();
-    });
-  });
-
   describe('hideForm', () => {
     it('should call service to hide form', () => {
       component.hideForm();

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-in-vorgang/organisations-einheit-container/organisations-einheit-container.component.ts

 import { CollaborationListResource } from '@alfa-client/collaboration-shared';
 import { VorgangWithEingangLinkRel, VorgangWithEingangResource } from '@alfa-client/vorgang-shared';
-import { Component, Input, OnDestroy, OnInit } from '@angular/core';
+import { Component, Input, OnInit } from '@angular/core';
 import { CollaborationService } from 'libs/collaboration-shared/src/lib/collaboration.service';
 import { Observable } from 'rxjs';
 import { CollaborationRequestFormService } from '../../collaboration-request-form/collaboration.request.formservice';
@@ -10,7 +10,7 @@ import { CollaborationRequestFormService } from '../../collaboration-request-for
   templateUrl: './organisations-einheit-container.component.html',
   providers: [CollaborationRequestFormService],
 })
-export class OrganisationsEinheitContainerComponent implements OnInit, OnDestroy {
+export class OrganisationsEinheitContainerComponent implements OnInit {
   @Input() public vorgang: VorgangWithEingangResource;
   @Input() public collaborationListResource: CollaborationListResource;
 
@@ -27,10 +27,6 @@ export class OrganisationsEinheitContainerComponent implements OnInit, OnDestroy
     this.isFormVisible$ = this.service.isOrganisationsEinheitFormVisible();
   }
 
-  ngOnDestroy(): void {
-    this.hideForm();
-  }
-
   public hideForm(): void {
     this.service.hideOrganisationseinheitForm();
     this.formService.reset();