Add Mask importing to the mask tool #507

Job	Run time
pip (windows-latest, cpu)	4m 20s
pip (ubuntu-latest, cpu)	1m 25s
pip (windows-latest, directml)	4m 21s
conda (ubuntu-latest, nvidia)	6m 38s
conda (ubuntu-latest, cpu)	5m 1s
conda (macos-latest, nvidia)	17m 51s
conda (macos-latest, cpu)	15m 23s
conda (windows-latest, nvidia)	13m 14s
conda (windows-latest, cpu)	9m 22s
conda (ubuntu-latest, rocm)	5m 2s
conda (windows-latest, directml)	11m 16s
	1h 33m 53s

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