优化数据拷贝逻辑 --- fix1

@CONTROL/表单/CONTROL-BASE.vue.ftl

@@ -877,11 +877,7 @@ import schema from 'async-validator';
                     this.load(data);
                 }
                 if (Object.is('loaddraft', action)) {
-                    if(this.context.srfsourcekey){
-                        this.copy(this.context.srfsourcekey);
-                    }else{
-                        this.loadDraft(data);
-                    }
+                    this.loadDraft(data);
                 }
                 if (Object.is('save', action)) {
                     this.save(data,data.showResultInfo);