`MultiAtlasFiles` would incorrectly add the atlas JSON into the JSON cache, causing you to not be able to destroy and reload the texture using the same atlas key as before. Fix #4720
`MultiAtlasFiles` would incorrectly add the atlas JSON into the JSON cache, causing you to not be able to destroy and reload the texture using the same atlas key as before. Fix #4720

photonstorm/phaser,BeanSeed/phaser,spayton/phaser,photonstorm/phaser,TukekeSoft/phaser,mahill/phaser,spayton/phaser,mahill/phaser,TukekeSoft/phaser,BeanSeed/phaser,TukekeSoft/phaser