6pm 3 quarter filter- in quarter filter page, can only search courses using correct quarter format (e.g 'W21')

[pranav01acharya]

Fixes #121 . Now, admin can search courses by quarter in the quarter filter page using only the correct format (eg 'W21') and not any other format (eg '20211').

[codecov[bot]]

Codecov Report

Merging #147 (329544b) into main (9ddacd5) will decrease coverage by 0.39%. The diff coverage is 85.71%.

@@              Coverage Diff              @@
##                main     #147      +/-   ##
=============================================
- Coverage     100.00%   99.60%   -0.40%     
- Complexity       328      333       +5     
=============================================
  Files             78       78              
  Lines           1493     1528      +35     
  Branches          69       76       +7     
=============================================
+ Hits            1493     1522      +29     
- Misses             0        3       +3     
- Partials           0        3       +3     

Impacted Files	Coverage Δ	Complexity Δ
javascript/src/main/pages/Admin/QuarterFilter.js	100.00% <ø> (ø)	0.00 <0.00> (ø)
...u/ucsb/ucsbcslas/controllers/CourseController.java	100.00% <ø> (ø)	30.00 <0.00> (ø)
...ucsbcslas/controllers/ActiveQuarterController.java	86.36% <76.92%> (-13.64%)	10.00 <1.00> (+5.00)	:arrow_down:
...t/src/main/components/Courses/QuarterFilterForm.js	100.00% <100.00%> (ø)	0.00 <0.00> (ø)
...vascript/src/main/services/QuarterFilterService.js	100.00% <100.00%> (ø)	0.00 <0.00> (ø)

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[pranav01acharya]

This issue will be opened in another pr