disabled 字太暗优化

src/components/bpmnProcessDesigner/package/theme/process-panel.scss

@@ -96,8 +96,8 @@
 .el-collapse-item__content {
   padding-bottom: 0;
 }
-.el-input.is-disabled .el-input__inner {
-  color: #999999;
+.el-input.is-disabled .el-input__inner{
+  color: #606266;
 }
 .el-form-item.el-form-item--mini {
   margin-bottom: 0;