fix(perf): lazy log

[1-leo]

calling Nip01Event.toString() is expensive, refactored to:
Logger.log.d(()=>e); to evaluate the msg lazy (only if the log level requires it)

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 79 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.35%. Comparing base (45cfb84) to head (6dac94c).

Files with missing lines	Patch %	Lines
...s/ndk/lib/domain_layer/usecases/relay_manager.dart	52.70%	35 Missing ⚠️
...k/lib/domain_layer/usecases/relay_sets_engine.dart	22.22%	7 Missing ⚠️
...ackages/ndk/lib/domain_layer/usecases/nwc/nwc.dart	0.00%	5 Missing ⚠️
...kages/ndk/lib/domain_layer/usecases/zaps/zaps.dart	0.00%	5 Missing ⚠️
.../lib/domain_layer/usecases/nwc/nwc_connection.dart	0.00%	4 Missing ⚠️
...k/lib/domain_layer/usecases/requests/requests.dart	25.00%	3 Missing ⚠️
...es/ndk/lib/domain_layer/entities/contact_list.dart	0.00%	2 Missing ⚠️
...ges/ndk/lib/domain_layer/entities/nip_51_list.dart	0.00%	2 Missing ⚠️
...lib/domain_layer/usecases/metadatas/metadatas.dart	60.00%	2 Missing ⚠️
...k/lib/data_layer/repositories/lnurl_http_impl.dart	50.00%	1 Missing ⚠️
... and 13 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #457      +/-   ##
==========================================
- Coverage   75.60%   75.35%   -0.25%     
==========================================
  Files         148      148              
  Lines        5886     5905      +19     
==========================================
  Hits         4450     4450              
- Misses       1436     1455      +19     

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[nogringo]

Do we need to update the documentation Logger.log.w('Warning message');