lingering tooltip after gallery image delete fixes #5124
Filter the filename Closes #5074
Move plugin headers to main WC POT file Closes #5073

Languages will need updating.
Item meta list classes Closes #5083
Correct discount calculation in admin when fees are involved. Closes #5103
Merge pull request #5129 from splashingpixels/product-gallery-images

lingering tooltip after gallery image delete fixes #5124
Fix sale flash for out of stock sale items Closes #5119