bugfix: share update : remove rowPermissionBy null check

Author: tianlu-root

server/src/main/java/datart/server/base/params/ShareUpdateParam.java

@@ -38,7 +38,6 @@ public class ShareUpdateParam extends BaseUpdateParam {
     @NotNull
     private ShareAuthenticationMode authenticationMode;
 
-    @NotNull
     private ShareRowPermissionBy rowPermissionBy;
 
     private Set<String> roles;