Show EDD license status after select field options

[jackmcconnell]

When KB Support is used with the EDD extension, a 'Product License' field is available within the ticket forms. It would be useful for a user to see whether a license key is active next to the options within this product license select field, without having to first submit the form to discover a license is invalid afterwards. This is particularly useful for users that have purchased something multiple times.

E.g. Product Name (L-I-C-E-N-S-E-K-E-Y) - Active Product Name 2 (L-I-C-E-N-S-E-K-E-Y) - Expired

[cristianraiber]

cc @razvanaldea89 - can you please offer a bit more details here so that @TeoAlex can start working on this one?