Map "UserInvitation.AssignedRoles" as a json column for MySQL #22659
BackMySql.EntityFrameworkCore does not support primitive collection properties, so List<string> AssignedRoles fails model building on MySQL (AccidentalEntityType). Map it as a serialized json column for MySQL providers.
Depends on abpframework/abp#25904 (HasAbpJsonConversion); CI can only pass after that PR is merged into rel-10.5.