fix: incorrect VAT Amount in UAT VAT 201 report

[rtdany10]

Total taxes and charges is added repeatedly for every item.
Issue reported in detail by user at https://discuss.erpnext.com/t/uae-vat-report-issue-vat-amount-wrong/81415

Tests should've included multiple items in the invoices to catch this error. #ToDo

Closes #27973
#no-docs

[rtdany10]

@Mergifyio backport version-13-hotfix

[mergify]

backport version-13-hotfix

🟠 Waiting for conditions

• merged [:pushpin: backport requirement]

[codecov]

Codecov Report

Merging #27994 (d734da9) into develop (01bb97b) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop   #27994   +/-   ##
========================================
  Coverage    54.41%   54.42%           
========================================
  Files         1255     1255           
  Lines        67822    67822           
========================================
+ Hits         36904    36910    +6     
+ Misses       30918    30912    -6     

Impacted Files	Coverage Δ
erpnext/regional/report/uae_vat_201/uae_vat_201.py	46.80% <ø> (ø)
erpnext/selling/doctype/sales_order/sales_order.py	76.39% <0.00%> (-0.75%)	⬇️
erpnext/stock/stock_ledger.py	85.35% <0.00%> (-0.73%)	⬇️
erpnext/stock/report/stock_ageing/stock_ageing.py	91.36% <0.00%> (-0.72%)	⬇️
...ype/account/chart_of_accounts/chart_of_accounts.py	77.55% <0.00%> (-0.69%)	⬇️
erpnext/projects/doctype/project/project.py	54.25% <0.00%> (-0.36%)	⬇️
erpnext/stock/get_item_details.py	79.38% <0.00%> (-0.16%)	⬇️
...stock/doctype/purchase_receipt/purchase_receipt.py	90.61% <0.00%> (ø)
.../report/accounts_receivable/accounts_receivable.py	68.34% <0.00%> (+0.43%)	⬆️
...next/accounts/doctype/subscription/subscription.py	82.58% <0.00%> (+0.56%)	⬆️
... and 8 more

[deepeshgarg007]

@Mergifyio backport version-13-hotfix

[mergify]

backport version-13-hotfix

🟠 Waiting for conditions to match

• merged [:pushpin: backport requirement]

[mergify]

backport version-13-hotfix

✅ Backports have been created

• #28144 fix: incorrect VAT Amount in UAT VAT 201 report (backport #27994) has been created for branch version-13-hotfix