fix: do not show podium with less than 4 members

[HeadTriXz]

The podium should not be shown when there are not enough members to show it properly. It should only show it if there are more than 3 members.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1e4415e) 99.16% compared to head (c5ed148) 99.16%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #95   +/-   ##
=======================================
  Coverage   99.16%   99.16%           
=======================================
  Files         182      182           
  Lines       20374    20374           
  Branches     2248     2249    +1     
=======================================
  Hits        20203    20203           
  Misses        171      171           

Flag	Coverage Δ
barry	98.95% <100.00%> (ø)
core	99.92% <ø> (ø)
logger	100.00% <ø> (ø)

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Files	Coverage Δ
...ommands/chatinput/leaderboard/LeaderboardCanvas.ts	100.00% <100.00%> (ø)

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