refactor(plugin): 规范移动端薪资查询插件类名

- 将类名从 empSalaryQueryMobFormPlugin 更正为 EmpSalaryQueryMobFormPlugin
- 遵循 Java 类命名规范，确保首字母大写
- 统一代码风格，提升可读性

code/swc/nckd-jxccl-swc/src/main/java/nckd/jxccl/swc/init/plugin/form/empSalaryQueryMobFormPlugin.java

@@ -21,7 +21,7 @@ import java.util.*;
 /**
  * 动态表单插件(移动端)
  */
-public class empSalaryQueryMobFormPlugin extends AbstractMobFormPlugin implements Plugin {
+public class EmpSalaryQueryMobFormPlugin extends AbstractMobFormPlugin implements Plugin {
 
     private static final String KEY_LAB_EMP_NAME = "nckd_employee";
     private static final String KEY_LAB_EMP_DESCRIPTION = "nckd_desc";