fix: Updating public workspace json based on new design

[shariquerik]

Updating workspace JSON files based on new workspace design

Changes made in all erpnext public workspaces:

1. Reduced width of shortcuts, now there are 4 shortcuts in one row.
2. Updated Header, made them bold and of size H4

Before:

After:

[codecov]

Codecov Report

Merging #29278 (dd56bf2) into develop (be0a441) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop   #29278      +/-   ##
===========================================
+ Coverage    57.87%   57.89%   +0.02%     
===========================================
  Files         1110     1110              
  Lines        68005    68005              
===========================================
+ Hits         39357    39374      +17     
+ Misses       28648    28631      -17     

Impacted Files	Coverage Δ
...work_order_stock_report/work_order_stock_report.py	50.00% <0.00%> (-44.12%)	⬇️
erpnext/utilities/product.py	14.70% <0.00%> (-35.30%)	⬇️
...ext/accounts/report/balance_sheet/balance_sheet.py	36.36% <0.00%> (-21.82%)	⬇️
erpnext/shopping_cart/product_info.py	30.30% <0.00%> (-21.22%)	⬇️
.../manufacturing/report/bom_explorer/bom_explorer.py	94.44% <0.00%> (-5.56%)	⬇️
erpnext/assets/doctype/asset/depreciation.py	85.23% <0.00%> (-2.69%)	⬇️
...e/shopping_cart_settings/shopping_cart_settings.py	66.03% <0.00%> (-1.89%)	⬇️
...t/accounts/report/general_ledger/general_ledger.py	59.59% <0.00%> (-1.69%)	⬇️
...ctype/accounting_dimension/accounting_dimension.py	64.34% <0.00%> (-1.56%)	⬇️
erpnext/shopping_cart/product_query.py	61.19% <0.00%> (-1.50%)	⬇️
... and 20 more