Remove unnecessary `sf::String` construction #1372

Job	Run time
Analyze	2m 43s
Documentation	1m 40s
Formatting	5s
Windows VS2019 x86 Shared Debug	4m 47s
Windows VS2019 x86 Shared Release	5m 7s
Windows VS2019 x86 Static Debug	4m 37s
Windows VS2019 x86 Static Release	4m 51s
Windows VS2019 x64 Shared Debug	4m 30s
Windows VS2019 x64 Shared Release	4m 49s
Windows VS2019 x64 Static Debug	4m 25s
Windows VS2019 x64 Static Release	4m 48s
Windows VS2022 x86 Shared Debug	5m 23s
Windows VS2022 x86 Shared Release	5m 43s
Windows VS2022 x86 Static Debug	5m 3s
Windows VS2022 x86 Static Release	5m 29s
Windows VS2022 x64 Shared Debug	4m 13s
Windows VS2022 x64 Shared Release	5m 33s
Windows VS2022 x64 Static Debug	4m 58s
Windows VS2022 x64 Static Release	4m 47s
Windows ClangCL Shared Debug	4m 26s
Windows ClangCL Shared Release	6m 10s
Windows ClangCL Static Debug	5m 38s
Windows ClangCL Static Release	5m 24s
Windows Clang Shared Debug	3m 7s
Windows Clang Shared Release	3m 19s
Windows Clang Static Debug	2m 47s
Windows Clang Static Release	3m 32s
Linux GCC Shared Debug	1m 23s
Linux GCC Shared Release	1m 31s
Linux GCC Static Debug	1m 13s
Linux GCC Static Release	1m 21s
Linux Clang Shared Debug	1m 21s
Linux Clang Shared Release	1m 29s
Linux Clang Static Debug	1m 23s
Linux Clang Static Release	1m 44s
MacOS Shared Debug	1m 39s
MacOS Shared Release	1m 34s
MacOS Static Debug	1m 19s
MacOS Static Release	1m 21s
	2h 15m 12s

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