Fix CHANGES.md for #12549

Author: Jeshurun Hembd

CHANGES.md

@@ -4,6 +4,10 @@
 
 ### @cesium/engine
 
+#### Additions :tada:
+
+- Added `Material with Custom GLSL` Sandbox Demo. [#12549](https://github.com/CesiumGS/cesium/issues/12549)
+
 #### Fixes :wrench:
 
 - `QuadtreePrimitive.updateHeights` now converts position to Cartographic before invoking the callback, ensuring compatibility with change introduced by [commit 53889cb](https://github.com/CesiumGS/cesium/commit/53889cb) and preventing unnecessary computation. [#12555](https://github.com/CesiumGS/cesium/pull/12555)
@@ -22,7 +26,6 @@
 
 - Added support for loading iTwin data using share keys as an alternative to user-based OAuth. When using a share key, set `ITwinPlatform.defaultShareKey`. [#12530](https://github.com/CesiumGS/cesium/pull/12530)
 - Added `Frozen.EMPTY_OBJECT` and `Frozen.EMPTY_ARRAY` for use as default parameter values that avoid unnecessary memory allocations. [#12507](https://github.com/CesiumGS/cesium/pull/12507)
-- Added `Material with Custom GLSL` Sandbox Demo. [#12549](https://github.com/CesiumGS/cesium/issues/12549)
 
 #### Fixes :wrench: