"..." string caused compilation error under VS2017

[longhuan2018]

OS : Microsoft Windows 10 Pro (Chinese Version)
Compiler: MSVC 2017

The following error is prompted during compilation

4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(611): error C2143: 语法错误: 缺少“)”(在“user-defined literal”的前面)
4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(611): error C2143: 语法错误: 缺少“;”(在“user-defined literal”的前面)
4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(611): error C3688: 文本后缀“D”无效；未找到文文本运算符或文本运算符模板“operator """"D”
4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(611): error C2001: 常量中有换行符
4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(611): error C2143: 语法错误: 缺少“;”(在“字符串”的前面)
4>D:\Qilence2020\QGIS-final-3_12_0\src\core\qgstessellator.cpp(612): error C2143: 语法错误: 缺少“;”(在“}”的前面)

Error line code:

QgsMessageLog::logMessage( QObject::tr( "Triangulation failed. Skipping polygon…" ), QObject::tr( "3D" ) );

I checked the information and found that the cause of the error is the UTF-8 encoding problem, and there are related solutions in Microsoft
https://docs.microsoft.com/en-us/cpp/build/reference/utf-8-set-source-and-executable-character-sets-to-utf-8?redirectedfrom=MSDN&view=vs-2019

[longhuan2018]

I submitted a PR #35737 to solve the problem