fix(layout-sider): placement right does not work (#996)

Co-authored-by: yugang.cao <yugang.cao@tusimple.ai>
Co-authored-by: 07akioni <07akioni2@gmail.com>

CHANGELOG.en-US.md

@@ -2,6 +2,10 @@
 
 ## Pending
 
+### Fixes
+
+- Fix `n-layout`'s `sider-placement` doesn't work after build, closes [#978](https://github.com/TuSimple/naive-ui/issues/978).
+
 ### Feats
 
 - `n-cascader` add `onUpdateValue` prop.

CHANGELOG.zh-CN.md

@@ -2,6 +2,10 @@
 
 ## Pending
 
+### Fixes
+
+- 修复 `n-layout` 的 `sider-placement` 属性在打包之后不生效，关闭 [#978](https://github.com/TuSimple/naive-ui/issues/978)
+
 ### Feats
 
 - `n-cascader` 新增 `onUpdateValue` 方法

src/layout/src/Layout.tsx

@@ -83,7 +83,7 @@ export function createLayoutComponent (isContent: boolean) {
           }
         }
       }
-      if (__DEV__) provide(layoutInjectionKey, props)
+      provide(layoutInjectionKey, props)
       const hasSiderStyle: CSSProperties = {
         display: 'flex',
         flexWrap: 'nowrap',