feat: do not disconnect unexpectedly connected devices if bleak supports reusing them

[bdraco]

Bleak 0.17 supports connecting to devices that are already connected in BlueZ.

We now detect this and adjust the BLEDevice to point to the already
connected device so they do not have to wait for a connection.

This also fixes a race where the connection times out but the connection is actually
made on the bus but we think it failed because we hit the timeout, so the next attempt
will instead sail right though and be connected.

[codecov]

Codecov Report

Base: 85.05% // Head: 88.47% // Increases project coverage by +3.41% 🎉

Coverage data is based on head (b62be8c) compared to base (fe7ec26).
Patch coverage: 91.30% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #35      +/-   ##
==========================================
+ Coverage   85.05%   88.47%   +3.41%     
==========================================
  Files           2        2              
  Lines         261      269       +8     
  Branches       57       59       +2     
==========================================
+ Hits          222      238      +16     
+ Misses         33       24       -9     
- Partials        6        7       +1     

Impacted Files	Coverage Δ
src/bleak_retry_connector/__init__.py	88.40% <91.30%> (+0.79%)	⬆️
src/bleak_retry_connector/dbus.py	89.47% <0.00%> (+36.84%)	⬆️

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