[SpeedGrader] Sort by first name

[MargaretLozada]

Problem statement:

I know my students by their first names. When grading, I can only sort by last name

Proposed solution:

Provide the option, in speedgrader, to sort by students' first names

User role(s):

instructor

[AbigailPagryzin]

Problem statement:

I know my students by their first names. When grading, I can only sort by last name

Proposed solution:

Provide the option, in speedgrader, to sort by students' first names

User role(s):

instructor