fix: add exr file extension support to TextureLoader

style: Correct the spelling errors.(纠正拼写错误)

fixed ： alpha get from context

Merge pull request layabox#1622 from INEEDSSD/LayaAir_3.1

fix: restore context font processing before saving, compatible with A…

Merge pull request layabox#1559 from INEEDSSD/LayaAir_3.1

fix: Fixed the problem of reuse of physical component collider.

fix: default material

Merge pull request layabox#1440 from jsjgameer/LayaAir_3.1

fix: fixed the curveData format

fixed: VideoTexture.ts push error bug

chore:Change of version(更改引擎版本号v3.1.1)

Merge pull request layabox#1333 from xiaoguzhu/LayaAir_3.1

fix: FillTextureCmd does not retain texture reference