[Bugfix:TAGrading] spaces in text for numeric text gradeable (#5182)
[Bugfix:TAGrading] spaces in text for numeric text gradeable (#5182)

Co-authored-by: Matthew Peveler <ceb7192332cc0210660ce4c985cae5ba0e431884@gmail.com>
Submitty/Submitty,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,Submitty/Submitty,Submitty/Submitty,RCOS-Grading-Server/HWserver,Submitty/Submitty,RCOS-Grading-Server/HWserver,Submitty/Submitty,RCOS-Grading-Server/HWserver,Submitty/Submitty,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,RCOS-Grading-Server/HWserver,Submitty/Submitty,Submitty/Submitty,Submitty/Submitty,RCOS-Grading-Server/HWserver