fix: propagate no_of_employees to organization on lead/deal conversion

[Shindhu-Ramaswamy]

The employee count entered on a Lead or Deal was getting lost when it was converted into an Organization — it either wasn't copied at all, or got silently reset to the default 1-10. This fix passes no_of_employees through in both conversion paths so the value carries over correctly.

closes : #2744

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.21%. Comparing base (fa9f3a1) to head (143d7b5).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2751      +/-   ##
===========================================
+ Coverage    69.19%   69.21%   +0.02%     
===========================================
  Files          177      177              
  Lines        12165    12176      +11     
===========================================
+ Hits          8417     8428      +11     
  Misses        3748     3748              

Files with missing lines	Coverage Δ
crm/fcrm/doctype/crm_deal/crm_deal.py	90.41% <ø> (ø)
crm/fcrm/doctype/crm_deal/test_crm_deal.py	98.01% <100.00%> (+0.04%)	⬆️
crm/fcrm/doctype/crm_lead/crm_lead.py	90.26% <ø> (ø)
crm/fcrm/doctype/crm_lead/test_crm_lead.py	100.00% <100.00%> (ø)

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[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge.

The previously reported propagation-coverage gap is resolved, and no blocking failure remains.

_{Reviews (2): Last reviewed commit: "test: add regression coverage for no_of_..." | Re-trigger Greptile}

[ps173]

LGTM!