Fix build path

Author: laszloItemis

.github/workflows/AddIn-build.yml

@@ -100,7 +100,7 @@ jobs:
     # Create the app package by building and packaging the Windows Application Packaging project
     - name: Create the app package
       run: |
-        AddIn/msbuild Itemis_Integrate_EA_Example_AddIn.sln /p:Configuration=Release /p:Platform="x86" /detailedsummary /v:detailed
+        msbuild AddIn/Itemis_Integrate_EA_Example_AddIn.sln /p:Configuration=Release /p:Platform="x86" /detailedsummary /v:detailed
 #        msbuild $env:Wap_Project_Path /p:Configuration=$env:Configuration /p:UapAppxPackageBuildMode=$env:Appx_Package_Build_Mode /p:AppxBundle=$env:Appx_Bundle /p:PackageCertificateKeyFile=GitHubActionsWorkflow.pfx /p:PackageCertificatePassword=${{ secrets.Pfx_Key }}
       env:
         Configuration: ${{ matrix.configuration }}