Ayy1: Cannot save single dashboard link (#49075) (#50857)

(cherry picked from commit 0753539721)

Co-authored-by: Chrysa Dikonimaki <xrdikonimaki@hotmail.com>

public/app/features/dashboard/components/DashboardSettings/LinksSettings.test.tsx

@@ -146,6 +146,7 @@ describe('LinksSettings', () => {
     expect(screen.queryByText('Type')).toBeInTheDocument();
     expect(screen.queryByText('Title')).toBeInTheDocument();
     expect(screen.queryByText('With tags')).toBeInTheDocument();
+    expect(screen.queryByText('Apply')).toBeInTheDocument();
 
     expect(screen.queryByText('Url')).not.toBeInTheDocument();
     expect(screen.queryByText('Tooltip')).not.toBeInTheDocument();

public/app/features/dashboard/components/LinksSettings/LinkSettingsEdit.tsx

@@ -1,7 +1,7 @@
 import React, { useState } from 'react';
 
 import { SelectableValue } from '@grafana/data';
-import { CollapsableSection, TagsInput, Select, Field, Input, Checkbox } from '@grafana/ui';
+import { CollapsableSection, TagsInput, Select, Field, Input, Checkbox, Button } from '@grafana/ui';
 
 import { DashboardLink, DashboardModel } from '../../state/DashboardModel';
 
@@ -41,7 +41,7 @@ type LinkSettingsEditProps = {
   onGoBack: () => void;
 };
 
-export const LinkSettingsEdit: React.FC<LinkSettingsEditProps> = ({ editLinkIdx, dashboard }) => {
+export const LinkSettingsEdit: React.FC<LinkSettingsEditProps> = ({ editLinkIdx, dashboard, onGoBack }) => {
   const [linkSettings, setLinkSettings] = useState(editLinkIdx !== null ? dashboard.links[editLinkIdx] : newLink);
 
   const onUpdate = (link: DashboardLink) => {
@@ -142,6 +142,7 @@ export const LinkSettingsEdit: React.FC<LinkSettingsEditProps> = ({ editLinkIdx,
           />
         </Field>
       </CollapsableSection>
+      <Button onClick={onGoBack}>Apply</Button>
     </div>
   );
 };