Fix adding speakeasy drinks using existing AdventureResults

[Veracity0]

As reported by ... somebody.

When switching clans, speakeasy/hotdogs/floundry are rebuilt from saved clan lounge item lists.
Don't need to - can't - re-add the item to the item list.

[codecov]

Codecov Report

Merging #1431 (9c39f4d) into main (c9a5788) will increase coverage by 0.00%.
The diff coverage is 66.66%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1431   +/-   ##
=========================================
  Coverage     34.01%   34.01%           
- Complexity    16986    16988    +2     
=========================================
  Files          1053     1053           
  Lines        162560   162565    +5     
  Branches      34876    34877    +1     
=========================================
+ Hits          55296    55302    +6     
+ Misses        97866    97865    -1     
  Partials       9398     9398           

Impacted Files	Coverage Δ
.../net/sourceforge/kolmafia/session/ClanManager.java	26.14% <0.00%> (+0.07%)	⬆️
...ourceforge/kolmafia/request/ClanLoungeRequest.java	33.30% <100.00%> (+0.38%)	⬆️

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[midgleyc]

Thanks!