Rename SaveButton to SaveEmailButton

This component will be used for saving changes only in email content.
It is a link variant button and will still be present next to Save/Send button.
[MAILPOET-6342]

packages/js/email-editor/src/components/header/header.tsx

@@ -24,7 +24,7 @@ import classnames from 'classnames';
 import { storeName } from '../../store';
 import { MoreMenu } from './more-menu';
 import { PreviewDropdown } from '../preview';
-import { SaveButton } from './save-button';
+import { SaveEmailButton } from './save-email-button';
 import { CampaignName } from './campaign-name';
 import { SendButton } from './send-button';
 import { useEditorMode } from '../../hooks';
@@ -208,7 +208,7 @@ export function Header() {
 				</div>
 			) }
 			<div className="editor-header__settings edit-post-header__settings">
-				<SaveButton />
+				<SaveEmailButton />
 				<PreviewDropdown />
 				<SendButton />
 				<PinnedItems.Slot scope={ storeName } />

packages/js/email-editor/src/components/header/save-email-button.tsx

@@ -11,7 +11,7 @@ import { useDispatch, useSelect } from '@wordpress/data';
 import { check, cloud, Icon } from '@wordpress/icons';
 import { storeName } from '../../store';
 
-export function SaveButton() {
+export function SaveEmailButton() {
 	const { saveEditedEmail } = useDispatch( storeName );
 
 	const { dirtyEntityRecords } = useEntitiesSavedStatesIsDirty();