fix(amis-saas-9408): 细节调整

Change-Id: If20a873df47eb19c3fbe168559d477e8d9d2800c

packages/amis-editor-core/src/manager.ts

@@ -797,7 +797,8 @@ export class EditorManager {
     if (
       (node.type === 'wrapper' || node.type === 'container') &&
       node.schema?.body?.length === 0 &&
-      (schemaData?.type === 'flex' || subRenderer?.rendererName === 'flex')
+      (schemaData?.type === 'flex' || subRenderer?.rendererName === 'flex') &&
+      !node.schema?.isFreeContainer
     ) {
       const newSchemaData = schemaData || subRenderer?.scaffold;
       // 布局能力提升: 点击插入新元素，当wrapper为空插入布局容器时，自动改为置换，避免过多层级

packages/amis-editor-core/src/util.ts

@@ -1022,7 +1022,8 @@ export function needDefaultWidth(elemType: string) {
     'progress',
     'diff-editor',
     'editor',
-    'input-range'
+    'input-range',
+    'flex'
   ];
   if (needDefaultWidthElemType.indexOf(elemType) > -1) {
     return true;