refactor(i18n): use JSON with flattened key and namespace (#30114)

Co-authored-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

web/app/components/plugins/plugin-auth/plugin-auth-in-datasource-node.tsx

@@ -26,7 +26,7 @@ const PluginAuthInDataSourceNode = ({
               onClick={onJumpToDataSourcePage}
             >
               <RiAddLine className="mr-1 h-4 w-4" />
-              {t('common.integrations.connect')}
+              {t('integrations.connect', { ns: 'common' })}
             </Button>
           </div>
         )