fix: Rename worksheet label to Challenge

[faucomte97]

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This change is 

[codecov]

Codecov Report

Merging #1427 (63adab7) into development (c07c6f2) will decrease coverage by 18.18%.
The diff coverage is 80.00%.

@@               Coverage Diff                @@
##           development    #1427       +/-   ##
================================================
- Coverage        74.79%   56.60%   -18.19%     
================================================
  Files               68      168      +100     
  Lines              988     3911     +2923     
  Branches           124      225      +101     
================================================
+ Hits               739     2214     +1475     
- Misses             246     1676     +1430     
- Partials             3       21       +18     

Impacted Files	Coverage Δ
aimmo_runner/runner.py	0.00% <0.00%> (ø)
aimmo/forms.py	93.10% <87.50%> (ø)
aimmo/__init__.py	100.00% <100.00%> (ø)
aimmo-game/simulation/interactables/conditions.py	66.66% <0.00%> (ø)
...immo/migrations/0021_add_pdf_names_to_worksheet.py	100.00% <0.00%> (ø)
aimmo/migrations/0011_reset_game_tokens.py	100.00% <0.00%> (ø)
aimmo/migrations/0003_auto_20160802_1418.py	48.27% <0.00%> (ø)
aimmo-game/simulation/world_map.py	0.00% <0.00%> (ø)
aimmo/models.py	94.18% <0.00%> (ø)
aimmo/migrations/0017_add_worksheet_1_and_2.py	100.00% <0.00%> (ø)
... and 93 more

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[razvan-pro]

Reviewed 1 of 1 files at r3.
Reviewable status: complete! all files reviewed, all discussions resolved

[razvan-pro]

Reviewed 1 of 1 files at r6.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @faucomte97)

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aimmo/forms.py, line 60 at r6 (raw file):

            raise ValidationError("Sorry, an invalid class was entered")

        if worksheet and not Worksheet.objects.fitler(pk=worksheet.id).exists():

fitler? 🙂

[razvan-pro]

Reviewed 1 of 1 files at r7.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @faucomte97)