merged unconditional and persistent peers status

[pompon0]

unconditional peers which have no corresponding node addresses in the persistent peers list, will be treated from now on as peers that our node should NOT dial, just accept incoming connections from (so essentially as persistent peers with no addresses to dial). This is a simplification: the way it used to work was that unconditional peers could be dialed together with regular peers, but once a connection was established, it was treated same as persistent (it didn't count towards limits). I don't think we need this quirky semantics.

[github-actions]

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Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Feb 25, 2026, 5:31 PM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.78%. Comparing base (7298da1) to head (cff6da2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2977       +/-   ##
===========================================
+ Coverage   58.10%   71.78%   +13.67%     
===========================================
  Files        2109       21     -2088     
  Lines      173384     1921   -171463     
===========================================
- Hits       100749     1379    -99370     
+ Misses      63683      444    -63239     
+ Partials     8952       98     -8854     

Flag	Coverage Δ
sei-chain	72.52% <100.00%> (+14.44%)	⬆️
sei-db	69.50% <ø> (ø)

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Files with missing lines	Coverage Δ
sei-tendermint/internal/p2p/peermanager.go	87.21% <100.00%> (-4.30%)	⬇️

... and 2090 files with indirect coverage changes

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