fix: minor ux fixes in Sales & Purchase Invoice

[Anuja-pawar]

Splitting & moving sections to keep them consistent through Sales & Purchase Invoice

• Moved Write-Off section of Sales Invoice up right after Grand Total (as it is in Purchase Invoice)
• Changed label Is Opening to Is Opening Entry (as it is in Sales Invoice)
• Split More Information section of Purchase Invoice (as it is in Sales Invoice)

Before

Purchase Invoice :-

Sales Invoice :-

After

Purchase Invoice :-

Sales Invoice :-

[codecov]

Codecov Report

Merging #27927 (b7769c7) into develop (b6da7ff) will increase coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop   #27927      +/-   ##
===========================================
+ Coverage    54.38%   54.45%   +0.06%     
===========================================
  Files         1254     1254              
  Lines        67745    67745              
===========================================
+ Hits         36846    36891      +45     
+ Misses       30899    30854      -45     

Impacted Files	Coverage Δ
erpnext/stock/reorder_item.py	75.42% <0.00%> (-2.55%)	⬇️
erpnext/stock/report/stock_ledger/stock_ledger.py	78.33% <0.00%> (-2.50%)	⬇️
erpnext/portal/utils.py	30.00% <0.00%> (-1.43%)	⬇️
erpnext/stock/stock_ledger.py	85.89% <0.00%> (-0.91%)	⬇️
erpnext/accounts/deferred_revenue.py	75.22% <0.00%> (-0.89%)	⬇️
erpnext/stock/report/stock_ageing/stock_ageing.py	90.64% <0.00%> (ø)
...xt/accounts/doctype/sales_invoice/sales_invoice.py	76.75% <0.00%> (+0.08%)	⬆️
...stock/doctype/purchase_receipt/purchase_receipt.py	90.61% <0.00%> (+0.26%)	⬆️
erpnext/projects/doctype/project/project.py	54.25% <0.00%> (+0.35%)	⬆️
erpnext/selling/doctype/sales_order/sales_order.py	77.13% <0.00%> (+0.37%)	⬆️
... and 10 more

[Anuja-pawar]

@Mergifyio backport version-13-hotfix

[mergify]

Command backport version-13-hotfix: success

Backports have been created

• #27932 fix: minor ux fixes in Sales & Purchase Invoice (backport #27927) has been created for branch version-13-hotfix