Fix the problem of data echo in script edit box

dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/python.vue

@@ -161,8 +161,7 @@
           resourceList: _.map(this.resourceList, v => {
             return {id: v}
           }),
-          localParams: this.localParams,
-          rawScript: editor ? editor.getValue() : ''
+          localParams: this.localParams
         }
       }
     },

dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/shell.vue

@@ -221,8 +221,7 @@
           resourceList: _.map(this.resourceList, v => {
             return {id: v}
           }),
-          localParams: this.localParams,
-          rawScript: editor ? editor.getValue() : ''
+          localParams: this.localParams
         }
       }
     },