Viser and multi-window display functionality #2542

Job	Run time
Benchmark (sift, door-12, 15, JPG, test_data, olsson-loader, 1296, true)	4m 34s
Benchmark (lightglue, door-12, 15, JPG, test_data, olsson-loader, 1296, true)	4m 12s
Benchmark (sift, skydio-8, 15, jpg, wget, colmap-loader, 760, true)	2m 52s
Benchmark (lightglue, skydio-8, 15, jpg, wget, colmap-loader, 760, true)	3m 2s
Benchmark (sift, skydio-32, 15, jpg, wget, colmap-loader, 760, true)	3m 34s
Benchmark (lightglue, skydio-32, 15, jpg, wget, colmap-loader, 760, true)	3m 54s
Benchmark (sift, palace-fine-arts-281, 15, jpg, wget, olsson-loader, 320, true)	16m 40s
Benchmark (lightglue, notre-dame-20, 15, jpg, wget, colmap-loader, 760, false)	3m 3s
Benchmark (sift, 2011205_rc3, 15, png, wget, astrovision, 1024, true)	8m 10s
Benchmark (lightglue, 2011205_rc3, 15, png, wget, astrovision, 1024, true)	5m 37s
Benchmark (sift, gerrard-hall-100, 15, jpg, wget, colmap-loader, 760, true)	7m 52s
Benchmark (lightglue, gerrard-hall-100, 15, jpg, wget, colmap-loader, 760, true)	9m 11s
Benchmark (sift, south-building-128, 15, jpg, wget, colmap-loader, 760, true)	48m 38s
Benchmark (lightglue, south-building-128, 15, jpg, wget, colmap-loader, 760, true)	9m 13s
	2h 10m 32s

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