build: optimize UniverseLib build

Author: Scoolnik

.github/workflows/dotnet_nightly.yml

@@ -43,7 +43,7 @@ jobs:
       - if: ${{ steps.cache-universe-lib-build.outputs.cache-hit != 'true' }}
         name: Build UniverseLib
         working-directory: ./UniverseLib
-        run: ./build.ps1
+        run: dotnet build src\UniverseLib.sln -c Release_IL2CPP_Interop_BIE
 
       - name: Build UE
         run: ./build_nightly.ps1

src/CinematicUnityExplorer.csproj

@@ -16,7 +16,7 @@
   </PropertyGroup>
 
 
-  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent" Condition="'$(IS_CI)'!='true'">
     <ItemGroup Condition="'$(Configuration)'=='ML_Cpp_net6' or '$(Configuration)'=='ML_Cpp_net472' or '$(Configuration)'=='STANDALONE_Cpp' or '$(Configuration)'=='BIE_Cpp'">
       <Exec Command="dotnet build ..\UniverseLib\src\UniverseLib.sln -c Release_IL2CPP_Unhollower" />
     </ItemGroup>