fix: non empty FG batch picked while completing work order

[rohitwaghchaure]

Issue

1. Created Work Order for 100 quantity and set Batch Size as "25" and enabled Skip Material Transfer
2. After submit Work Order, system has created 4 Batches
3. Created Partial Finish Stock Entry for 50 quantity, system has picked first 2 batches
4. Created Partial Finish Stock Entry for remaining 50 quantity, system has picked again same 2 batches which was picked in above stock entry. Ideally it should pick remaining two empty batches.

[codecov]

Codecov Report

Merging #33224 (713330c) into develop (66dbf94) will increase coverage by 0.00%.
The diff coverage is 40.00%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #33224   +/-   ##
========================================
  Coverage    64.01%   64.02%           
========================================
  Files          817      817           
  Lines        58577    58577           
========================================
+ Hits         37499    37503    +4     
+ Misses       21078    21074    -4     

Impacted Files	Coverage Δ
erpnext/stock/doctype/stock_entry/stock_entry.py	81.47% <40.00%> (+0.07%)	⬆️
erpnext/stock/doctype/serial_no/serial_no.py	88.96% <0.00%> (-0.24%)	⬇️
...ext/manufacturing/doctype/work_order/work_order.py	79.61% <0.00%> (+0.55%)	⬆️