Continued bst inspect refactoring

Author: kevinschoon

src/buildstream/_frontend/app.py

@@ -305,7 +305,7 @@ def initialized(self, *, session_name=None):
             self.stream.set_project(self.project)
 
             # Initialize the inspector
-            self.inspector = Inspector(self.stream, self.project)
+            self.inspector = Inspector(self.stream, self.project, self.context)
 
             # Run the body of the session here, once everything is loaded
             try: