Modeling - Add boundary check in BRepFill_Filling to handle empty boundaries #477

Job	Run time
Prepare and Build on Ubuntu with Clang (x64)	16m 27s
Prepare and Build on Ubuntu with GCC (x64)	22m 45s
Prepare and Build on macOS with GCC (x64)	10m 40s
Prepare and Build on macOS with Clang (x64)	14m 57s
Prepare and Build on Windows with Clang (x64)	22m 2s
Prepare and Build on Windows with MSVC (x64)	13m 33s
Test on macOS with GCC (x64)	1m 28s
Regression Test on macOS with GCC (x64)	13s
Test on Windows (x64)	39m 54s
Test on macOS (x64)	1m 27s
Test on Linux with Clang (x64)	27m 8s
Regression Test on macOS (x64)	13s
Test on Windows with Clang (x64)	40m 40s
Test on Linux with GCC (x64)	27m 22s
Regression Test on Linux with Clang (x64)	20s
Regression Test on Linux with GCC (x64)	2m 32s
Regression Test on Windows (x64)	47s
Regression Test on Windows with Clang (x64)	1m 13s
Summarize Test Results	7m 29s
	4h 11m 10s

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