A11y - fix anchors-as-buttons (#7444)

* add link_inline accessiblebutton variant

* valid anchors in SecurityRoomSettingsTab

Signed-off-by: Kerry Archibald <kerrya@element.io>

* new room intro link button

Signed-off-by: Kerry Archibald <kerrya@element.io>

* replace anchor with button in rerequest encryption keys message

Signed-off-by: Kerry Archibald <kerrya@element.io>

* inline button in UrlPreviewSettings

Signed-off-by: Kerry Archibald <kerrya@element.io>

* ButtonResetDefault mixin

Signed-off-by: Kerry Archibald <kerrya@element.io>

* inline link buttons in TextForEvent

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in InviteDialog

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in DevToolsDialog

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in login/registration/reset pword flows

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix types after fixing anchors in devtools

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in MemberEventListSummary

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in ReactionsRow and RoomUpgrade

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in ReplyChain

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix more anchors

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix anchors in auth comps

* stylelint fixes

Signed-off-by: Kerry Archibald <kerrya@element.io>

* remove ignore of jsx-a11y rule that is not added yet

Signed-off-by: Kerry Archibald <kerrya@element.io>

* devtools style important explainer

Signed-off-by: Kerry Archibald <kerrya@element.io>

* translate button alt in devtools dialog

Signed-off-by: Kerry Archibald <kerrya@element.io>

* AccessibleButton is reactionsrow

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix viewsourcevent button placement, use AccessibleButton

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use AccessibleButton in EventTile

Signed-off-by: Kerry Archibald <kerrya@element.io>

* unignore jsx-a11y/anchor-is-valid

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix lint issue in test jsx

Signed-off-by: Kerry Archibald <kerrya@element.io>

* update coment

Signed-off-by: Kerry Archibald <kerrya@element.io>

test/components/views/settings/SettingsFieldset-test.tsx

@@ -40,7 +40,7 @@ describe('<SettingsFieldset />', () => {
     });
 
     it('renders fieldset with react description', () => {
-        const description = <><p>Test</p><a href='#'>a link</a></>;
+        const description = <><p>Test</p><a href='#test'>a link</a></>;
         expect(getComponent({ description })).toMatchSnapshot();
     });
 });