Fix issue with api call in offline mode for adding project reference file

When in offline mode, there should be no call to service for adding the project reference file.

Author: Nfactor26

src/Pixel.Automation.Reference.Manager/ReferenceManager.cs

@@ -47,7 +47,10 @@ public void Initialize(string projectId, string projectVersion, IFileSystem file
         else
         {
             this.projectReferences = CreateDefault();
-            _ = this.referencesRepositoryClient.AddProjectReferencesAsync(this.projectId, this.projectVersion, this.projectReferences);
+            if(!applicationSettings.IsOfflineMode)
+            {
+                _ = this.referencesRepositoryClient.AddProjectReferencesAsync(this.projectId, this.projectVersion, this.projectReferences);
+            }
             SaveLocal();
         }