Clear the packageSourceMappings

Author: christophwille

ILSpy.AddIn.VS2022/NuGet.config

@@ -5,6 +5,7 @@
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
   <packageSourceMapping>
+    <clear />
     <packageSource key="nuget.org">
       <package pattern="*" />
     </packageSource>

ILSpy.AddIn/NuGet.config

@@ -5,8 +5,9 @@
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
   <packageSourceMapping>
+    <clear />
     <packageSource key="nuget.org">
       <package pattern="*" />
     </packageSource>
-  </packageSourceMapping>  
+  </packageSourceMapping>
 </configuration>