销售订单对话框优化：调整项目名称字段绑定逻辑，同步relationName与projectName值

src/views/saleManage/saleOrder/components/addDialog.vue

@@ -59,6 +59,7 @@
               @click.native="handOpportunity"
               readonly
               @clear="clearContrcat"
+        
               placeholder="请输入"
             />
           </el-form-item>
@@ -79,12 +80,13 @@
           </el-form-item>
           <el-form-item
             label="项目名称"
-            prop="relationName"
+            prop="projectName"
             v-if="form.relationType == 4"
           >
             <el-input
               clearable
-              v-model="form.relationName"
+              v-model="form.projectName"
+               @change="form.relationName=form.projectName"
               @clear="clearContrcat('project')"
               placeholder="请输入"
               style="width: calc(100% - 80px)"
@@ -1203,7 +1205,10 @@
         this.form = Object.assign({}, this.form, {
           projectName: obj.name,
           projectId: obj.id,
-          projectCode: obj.code
+          projectCode: obj.code,
+          relationName: obj.name,
+          relationId: obj.id,
+          relationCode: obj.code  
         });
 
         if (obj.contractId) {