fix: incorrect depr schedule and posting dates on selling of existing assets [dev]

[anandbaburajan]

Description: asset.docx (from #35159). Fixes #35159.

[codecov]

Codecov Report

Merging #35398 (b021336) into develop (3940deb) will increase coverage by 0.00%.
The diff coverage is 75.00%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #35398   +/-   ##
========================================
  Coverage    63.82%   63.82%           
========================================
  Files          813      813           
  Lines        60260    60266    +6     
========================================
+ Hits         38460    38466    +6     
  Misses       21800    21800           

Impacted Files	Coverage Δ
...xt/accounts/doctype/sales_invoice/sales_invoice.py	82.14% <ø> (+0.08%)	⬆️
...ctype/asset_capitalization/asset_capitalization.py	92.87% <ø> (ø)
erpnext/assets/doctype/asset/depreciation.py	82.02% <71.42%> (-0.36%)	⬇️
...preciation_schedule/asset_depreciation_schedule.py	91.52% <100.00%> (ø)

... and 1 file with indirect coverage changes