godot-mono: fix DOTNET_ROOT

Changed files
+1 -1
pkgs
development
tools
godot
+1 -1
pkgs/development/tools/godot/common.nix
···
+ lib.optionalString withMono ''
cp -r bin/GodotSharp/ $out/bin/
wrapProgram $out/bin/godot4${suffix} \
-
--set DOTNET_ROOT ${dotnet-sdk} \
+
--set DOTNET_ROOT ${dotnet-sdk}/share/dotnet \
--prefix PATH : "${
lib.makeBinPath [
dotnet-sdk