Update wc-core-functions.php file

Update wc-core-functions.php file to add Bangladeshi currency and symbol.
address-il8n jshinted and standard coding fixes
cart-fragments jshinted and standard coding fixes
cart jshinted and standard coding fixes
Merge pull request #5158 from splashingpixels/jshint

Jshint
Clear object cache for orders + products #5041
Remove break #5041
Correct property #5041
Merge pull request #5154 from monirulalom/patch-1

Update wc-core-functions.php file
URL decode not needed for custom text attribute names Closes #5155
Fix bulk editing variation sale price #5164
Merge pull request #5165 from jurajk/master

Fix bulk editing variation sale price #5164