Tor Browser 13.0a5 does not track circuits created before Tor Browser started

This only affects setups where tor is run outside of Tor Browser. The issue is that TorProvider.sys.mjs no longer "seeds" the circuits it tracks by issuing a getinfo circuit-status on initialization, it only tracks circuits it receives CIRC events for. So, if tor starts before Tor Browser and builds circuits, these circuits are "unknown" to Tor Browser, which it will log:

TorProvider: Seen a STREAM SUCCEEDED with an unknown circuit. Not notifying observers. TorProvider.sys.mjs:995"

I believe this was lost in commit df87cd7c.

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