Fix that colorSpaceGetDeviceRGB cache the color space even when active display changed

[dreampiggy]

New Pull Request Checklist

• I have read and understood the CONTRIBUTING guide

• I have read the Documentation

• I have searched for a similar pull request in the project and found none

• I have updated this branch with the latest master to avoid conflicts (via merge from master or rebase)

• I have added the required tests to prove the fix/feature I am adding

• I have updated the documentation (if necessary)

• I have run the tests and they pass

• I have run the lint and it passes (pod lib lint)

This merge request fixes / refers to the following issues: ...

Pull Request Description

This was found during the test case testSDGraphicsImageRenderer

Draw Color ColorSpace: <CGColor 0x6000027c5620> [<CGColorSpace 0x6000027c48a0> (kCGColorSpaceICCBased; kCGColorSpaceModelRGB; sRGB IEC61966-2.1)] ( 1 0 0 1 )

Test Color ColorSpace: <CGColor 0x6000027c5980> [<CGColorSpace 0x6000027c48a0> (kCGColorSpaceICCBased; kCGColorSpaceModelRGB; sRGB IEC61966-2.1)] ( 0.978015 0.00459104 0.00225032 1 )

Also, fix the unit test on macOS.