fix: Retain space inside Serial no string while cleaning serial nos

[marination]

A missing case #26596 did not consider

Issue:

• Consider Serial No string SN - 123 - 2021\n SN - 124 - 2021\n
• The individual serial no is SN - 123 - 2021 with spaces in it. The previous fix removed all spaces in the string. So
  SN - 123 - 2021\n becomes SN-123-2021\n
• This caused serial no mismatch issues in some sales invoices created from legacy delivery notes

Fix:

• String SN - 123 - 2021\n SN - 124 - 2021\n is cleaned to become SN - 123 - 2021\nSN - 124 - 2021\n without trailing and leading spaces i.e. spaces surrounding the serial no removed

[codecov]

Codecov Report

Merging #27962 (41035b0) into develop (230a5d4) will increase coverage by 0.05%.
The diff coverage is 100.00%.

❗ Current head 41035b0 differs from pull request most recent head f442e2d. Consider uploading reports for the commit f442e2d to get more accurate results

@@             Coverage Diff             @@
##           develop   #27962      +/-   ##
===========================================
+ Coverage    54.38%   54.43%   +0.05%     
===========================================
  Files         1255     1255              
  Lines        67814    67817       +3     
===========================================
+ Hits         36879    36918      +39     
+ Misses       30935    30899      -36     

Impacted Files	Coverage Δ
erpnext/assets/doctype/asset/asset.py	71.60% <100.00%> (ø)
erpnext/controllers/stock_controller.py	90.76% <100.00%> (+0.07%)	⬆️
erpnext/education/doctype/student/student.py	73.95% <0.00%> (-3.13%)	⬇️
...ion/doctype/course_enrollment/course_enrollment.py	45.09% <0.00%> (-1.97%)	⬇️
erpnext/portal/utils.py	30.00% <0.00%> (-1.43%)	⬇️
erpnext/stock/report/stock_ledger/stock_ledger.py	80.00% <0.00%> (-0.84%)	⬇️
erpnext/stock/get_item_details.py	79.53% <0.00%> (-0.31%)	⬇️
erpnext/stock/stock_ledger.py	85.71% <0.00%> (-0.19%)	⬇️
erpnext/stock/reorder_item.py	77.11% <0.00%> (ø)
...stock/doctype/purchase_receipt/purchase_receipt.py	90.61% <0.00%> (ø)
... and 12 more

[marination]

@Mergifyio backport version-13-hotfix

[mergify]

Command backport version-13-hotfix: success

Backports have been created

• #27965 fix: Retain space inside Serial no string while cleaning serial nos (backport #27962) has been created for branch version-13-hotfix

[ankush]

@Mergifyio backport version-13-pre-release

[mergify]

backport version-13-pre-release

✅ Backports have been created

• #27986 fix: Retain space inside Serial no string while cleaning serial nos (backport #27962) has been created for branch version-13-pre-release