Fix javascript error for higher levels.
Fix javascript error for higher levels.

The function getLevel in project-form was only looking for
?criteria_level in the url.

Signed-off-by: Jason Dossett <e6f895edd39634df23774f0615e338f58a73f02c@utdallas.edu>

taylorcoursey/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,taylorcoursey/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,yannickmoy/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,taylorcoursey/cii-best-practices-badge,coreinfrastructure/best-practices-badge,coreinfrastructure/best-practices-badge,taylorcoursey/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge,coreinfrastructure/best-practices-badge,yannickmoy/cii-best-practices-badge,coreinfrastructure/best-practices-badge,yannickmoy/cii-best-practices-badge,linuxfoundation/cii-best-practices-badge