Merge branch 'fix-z-index' into 'master'

[FIX][SDK] fixed zIndex not working in buffered Groups

See merge request codingame/game-engine!311

Author: CodinGameCommunity

engine/modules/entities/src/main/resources/view/entity-module/BufferedGroup.js

@@ -7,6 +7,7 @@ export class BufferedGroup extends ContainerBasedEntity {
   initDisplay () {
     super.initDisplay()
     this.buffer = new PIXI.Container()
+    this.buffer.sortableChildren = true
     this.gameTexture = null
     this.graphics = new PIXI.Sprite()
     this.needsRender = true

engine/modules/entities/src/main/resources/view/entity-module/GraphicEntityModule.js

@@ -167,6 +167,7 @@ export class GraphicEntityModule {
           e.childrenContainer.addChild(child.container)
           child.parent = e
         })
+        e.notifyChange()
       }
     })
 

playground/misc/misc-3-release-notes.md

@@ -2,6 +2,12 @@
 
 The CodinGame SDK is regularly updated and improved. This document lets you know what changed in the latest releases.
 
+## Next Release
+
+### 🐞 Bug fix
+
+- Fixed zIndexing in `BufferedGroups`.
+
 ## 4.2.0
 
 ### 🎁 Features