Update .editorconfig for *.csproj files.
MODIFY
.editorconfig
.editorconfig
# You can learn more about editorconfig here: https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference
root = true
+[*.csproj]
+
+charset = utf-8
+
+# use hard tabs for indentation
+indent_style = tab
+
+# Formatting - set preferred newline characters
+end_of_line = lf
+
+# Formatting - remove any whitespace characters preceding newline characters
+trim_trailing_whitespace = true
+
[*.cs]
charset = utf-8

Update .editorconfig for *.csproj files.