Revert: SVGs are no longer available as invoice icons, as this feature doesn't work with all invoice types
Fix: Fix CSRF error when approving products via the action bar
Fix: Public facing Income Stats for commissioned users would produce a server error
This version reverts the ability to use SVG icons for invoice icons, as SVG icons are not compatible with PDF generation libraries being used.
Furthermore, a couple bugs reported since v3.0.0 was released have been resolved.