opti: flex have to statement flex-direcrtion in nvue mode

Author: Fasttian

uni_modules/uni-datetime-picker/components/uni-datetime-picker/uni-datetime-picker.vue

@@ -616,7 +616,8 @@
 
 <style>
 	.uni-date-x {
-		display: flex;
+		display: flex;
+		flex-direction: row;
 		align-items: center;
 		justify-content: center;
 		padding: 0 10px;

uni_modules/uni-easyinput/components/uni-easyinput/uni-easyinput.vue

@@ -303,9 +303,9 @@
 		/* #ifndef APP-NVUE */
 		width: 100%;
 		display: flex;
-		box-sizing: border-box;
-		/* #endif */
+		box-sizing: border-box;
 		min-height: 36px;
+		/* #endif */
 		flex-direction: row;
 		align-items: center;
 	}