fix(core-api): fix transaction resource responses

[rainydio]

Summary

Fixes #3758 and #3759.

Fixed transaction resource responses. Added confirmations and timestamp fields. Same as before. This is a temporary solution until I can make a better one that doesn't require so much handling on API level.

Checklist

• Ready to be merged

[codecov]

Codecov Report

Merging #3794 into develop will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop    #3794      +/-   ##
===========================================
+ Coverage    96.86%   96.88%   +0.01%     
===========================================
  Files          616      616              
  Lines        13861    13897      +36     
  Branches      1672     1677       +5     
===========================================
+ Hits         13427    13464      +37     
  Misses         145      145              
+ Partials       289      288       -1     

Flag	Coverage Δ
#functional	6.21% <0.00%> (-0.02%)	⬇️
#integration	10.15% <70.00%> (+0.12%)	⬆️
#unit	95.08% <70.00%> (-0.10%)	⬇️

Impacted Files	Coverage Δ
packages/core-api/src/controllers/transactions.ts	100.00% <100.00%> (ø)
packages/core-api/src/controllers/wallets.ts	100.00% <100.00%> (ø)
packages/core-p2p/src/network-monitor.ts	98.05% <0.00%> (+0.38%)	⬆️

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