feat: carry forward communication and comments throughout the sales c…

[anupamvs]

When converting a Lead into Opportunity and Opportunity to Quotation, the system will auto copy the emails and comments from the source doc.

CRM Settings-

docs- https://docs.erpnext.com/docs/v13/user/manual/en/CRM/crm_settings#other-settings

[codecov]

Codecov Report

Merging #28458 (2fd870f) into develop (88df5ce) will decrease coverage by 0.00%.
The diff coverage is 86.48%.

@@             Coverage Diff             @@
##           develop   #28458      +/-   ##
===========================================
- Coverage    55.67%   55.67%   -0.01%     
===========================================
  Files         1128     1128              
  Lines        67335    67372      +37     
===========================================
+ Hits         37488    37506      +18     
- Misses       29847    29866      +19     

Impacted Files	Coverage Δ
erpnext/crm/doctype/prospect/prospect.py	56.71% <66.66%> (+0.97%)	⬆️
erpnext/selling/doctype/quotation/quotation.py	49.18% <66.66%> (+2.03%)	⬆️
erpnext/crm/doctype/opportunity/opportunity.py	70.42% <100.00%> (-0.74%)	⬇️
erpnext/crm/utils.py	66.66% <100.00%> (+35.41%)	⬆️
...work_order_stock_report/work_order_stock_report.py	50.00% <0.00%> (-50.00%)	⬇️
.../hr/doctype/upload_attendance/upload_attendance.py	44.69% <0.00%> (-1.52%)	⬇️
...eport/production_analytics/production_analytics.py	69.51% <0.00%> (-1.22%)	⬇️
erpnext/stock/reorder_item.py	76.06% <0.00%> (-0.86%)	⬇️
erpnext/stock/report/stock_ledger/stock_ledger.py	77.23% <0.00%> (-0.82%)	⬇️
... and 14 more

[rohitwaghchaure]

@anupamvs, add test cases and docs

[anupamvs]

@rohitwaghchaure can you review it?