[PATCH v2 0/7] MR10009: mf/topology_loader: Refactor the topology loader and fix a few test failures.

[Conor McCarthy (＠cmccarthy)]

This changes the functionality relatively little, but the refactoring will allow greater changes in a followup MR which will fix more tests.

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  v2: mf/topology_loader: Load the branch up connection method only for source nodes.
      mf/topology_loader: Use the branch connection context for down nodes.
      mf/topology_loader: Set the branch upstream node media type if not a source node.
      mf/topology_loader: Introduce a branch connection context.
      mf/topology_loader: Delete unused struct connect_context.
      mf/topology_loader: Do not create a new branch list containing downstream nodes.
      mf: Trace additional topology details.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10009