refactor(coal): 修正更新主表数据方法的命名

- 将 CoalWashingDailyAnalysisController 中的 updateKfItems 方法重命名为 updateMain
- 此修改提高了代码的可读性和一致性，确保方法命名与功能更加匹配

src/main/java/cn/lihongjie/coal/coalWashingDailyAnalysis/controller/CoalWashingDailyAnalysisController.java

@@ -63,7 +63,7 @@ public class CoalWashingDailyAnalysisController extends BaseController {
     @PostMapping("/updateMain")
     @SysLog(action = "编辑")
     public CoalWashingDailyAnalysisDto updateMain(@RequestBody UpdateCoalWashingDailyAnalysisDto dto) {
-        return this.service.updateKfItems(dto);
+        return this.service.updateMain(dto);
     }
 
     @PostMapping("/delete")