fix: move watermark to about section (#16097)

(cherry picked from commit b80f018691)

superset-frontend/src/components/Menu/MenuRight.tsx

@@ -69,15 +69,6 @@ const StyledAnchor = styled.a`
   padding-left: ${({ theme }) => theme.gridUnit}px;
 `;
 
-const WaterMark = styled.span`
-  font-size: 13px;
-  color: #b0b4c3;
-  margin: 0 ${({ theme }) => theme.gridUnit * 4}px;
-  @media (max-width: 1070px) {
-    display: none;
-  }
-`;
-
 const { SubMenu } = Menu;
 
 interface RightMenuProps {
@@ -95,9 +86,6 @@ const RightMenu = ({
 }: RightMenuProps) => (
   <StyledDiv align={align}>
     <Menu mode="horizontal">
-      {navbarRight.show_watermark && (
-        <WaterMark>{t('Powered by Apache Superset')}</WaterMark>
-      )}
       {!navbarRight.user_is_anonymous && (
         <SubMenu
           data-test="new-dropdown"
@@ -160,6 +148,11 @@ const RightMenu = ({
           <Menu.Divider key="version-info-divider" />,
           <Menu.ItemGroup key="about-section" title={t('About')}>
             <div className="about-section">
+              {navbarRight.show_watermark && (
+                <div css={versionInfoStyles}>
+                  {t('Powered by Apache Superset')}
+                </div>
+              )}
               {navbarRight.version_string && (
                 <div css={versionInfoStyles}>
                   Version: {navbarRight.version_string}