fix: addStylesClient 去除 flags s

packages/vue-cli-plugin-uni/packages/app-vue-style-loader/lib/addStylesClient.js

@@ -242,7 +242,7 @@ function processCss(css) {
 			.replace(VAR_WINDOW_TOP, offset.top + 'px')
 			.replace(VAR_WINDOW_BOTTOM, offset.bottom + 'px')
 	}
-  return css.replace(/\{.+?\}/gs, function (css) {
+  return css.replace(/\{[\s\S]+?\}/g, function (css) {
     return css.replace(UPX_RE, function (a, b) {
       return uni.upx2px(b) + 'px'
     })

packages/vue-cli-plugin-uni/packages/h5-vue-style-loader/lib/addStylesClient.js

@@ -250,7 +250,7 @@ function processCss(css) {
 		.replace(BODY_SCOPED_RE, page)
 		.replace(BODY_RE, '')
 		.replace(PAGE_SCOPED_RE, 'body.' + page + ' uni-page-body')
-		.replace(/\{.+?\}/gs, function (css) {
+		.replace(/\{[\s\S]+?\}/g, function (css) {
 			return css.replace(UPX_RE, function (a, b) {
 				return uni.upx2px(b) + 'px'
 			})