feat: replace mybatis-plus to mybatis-flex

dolphin-authorize/pom.xml

@@ -24,15 +24,6 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webmvc</artifactId>
         </dependency>
-        <!-- MyBatis -->
-        <dependency>
-            <groupId>org.mybatis.spring.boot</groupId>
-            <artifactId>mybatis-spring-boot-starter</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.baomidou</groupId>
-            <artifactId>mybatis-plus-spring-boot4-starter</artifactId>
-        </dependency>
         <!-- Lombok -->
         <dependency>
 			<groupId>org.projectlombok</groupId>

dolphin-authorize/src/main/java/day/gitlab/dolphin/authorize/service/impl/AuthorizationProviderImpl.java

@@ -21,7 +21,7 @@ public class AuthorizationProviderImpl implements AuthenticationProvider {
 
     @Override
     public UserPrincipal getUserPrincipal(String userId) {
-        User user = userMapper.selectById(userId);
+        User user = userMapper.selectOneById(userId);
         Objects.requireNonNull(user);
 
         return UserPrincipal.builder()