Update to latest SFML 3 API #439

Job	Run time
clang-format	7s
Windows MSVC Shared Release	1m 45s
Windows MSVC Shared Debug	2m 32s
Windows MSVC Static Release	2m 44s
Windows MSVC Static Debug	2m 25s
Windows ClangCL Shared Release	2m 10s
Windows ClangCL Shared Debug	2m 39s
Windows ClangCL Static Release	4m 24s
Windows ClangCL Static Debug	5m 14s
Windows Clang Shared Release	1m 31s
Windows Clang Shared Debug	1m 52s
Windows Clang Static Release	1m 56s
Windows Clang Static Debug	1m 42s
Linux GCC Shared Release	59s
Linux GCC Shared Debug	43s
Linux GCC Static Release	1m 15s
Linux GCC Static Debug	59s
Linux Clang Shared Release	1m 10s
Linux Clang Shared Debug	52s
Linux Clang Static Release	1m 32s
Linux Clang Static Debug	1m 27s
macOS Clang Shared Release	55s
macOS Clang Shared Debug	48s
macOS Clang Static Release	1m 7s
macOS Clang Static Debug	52s
	43m 40s

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