4.5.3

Add

• Support customizing the alert for when there is no permission. #900 @xiaoyouPrince
• Add configuration option to center tools in tools collection view. #903 @patryk-sredzinski

Fix

• Fix the bug where the crop ratio view is not hidden when there is only one ratio in the cropping interface.
• Fix a bug that may cause failure when saving images from iCloud to local storage. #901 @ilfocus