fix: Support creation of BOE against more than one purchase invoice

[Sanket322]

• closes: Support creation of BOE against more than one purchase invoice #2886

[codecov]

Codecov Report

Attention: Patch coverage is 59.30233% with 35 lines in your changes missing coverage. Please review.

Project coverage is 57.30%. Comparing base (4eb8ca3) to head (8e6ccbd).
Report is 15 commits behind head on develop.

Files with missing lines	Patch %	Lines
...e/gst_india/doctype/bill_of_entry/bill_of_entry.py	58.75%	33 Missing ⚠️
...compliance/gst_india/overrides/purchase_invoice.py	0.00%	1 Missing ⚠️
...ort/bill_of_entry_summary/bill_of_entry_summary.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2932      +/-   ##
===========================================
- Coverage    57.39%   57.30%   -0.10%     
===========================================
  Files          126      127       +1     
  Lines        12678    12748      +70     
===========================================
+ Hits          7277     7305      +28     
- Misses        5401     5443      +42     

Files with missing lines	Coverage Δ
...ctype/boe_purchase_invoice/boe_purchase_invoice.py	100.00% <100.00%> (ø)
...a/doctype/purchase_reconciliation_tool/__init__.py	50.20% <ø> (ø)
...a_compliance/gst_india/overrides/ineligible_itc.py	95.81% <100.00%> (+0.01%)	⬆️
...compliance/gst_india/overrides/purchase_invoice.py	67.69% <0.00%> (-0.53%)	⬇️
...ort/bill_of_entry_summary/bill_of_entry_summary.py	0.00% <0.00%> (ø)
...e/gst_india/doctype/bill_of_entry/bill_of_entry.py	75.92% <58.75%> (-2.53%)	⬇️

... and 6 files with indirect coverage changes

[ljain112]

To validate

[vorasmit]

get_items_from button

[vorasmit]

validate same company and gstin across invoices