Hotfix/hackathon flow

[androolloyd]

Description

Fix for sponsor widgets
Change to the default messaging for hackathons.

Refers/Fixes

Testing

[codecov]

Codecov Report

Merging #6606 into stable will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           stable    #6606      +/-   ##
==========================================
+ Coverage   27.20%   27.22%   +0.01%     
==========================================
  Files         288      288              
  Lines       26887    26865      -22     
  Branches     3968     3965       -3     
==========================================
- Hits         7315     7313       -2     
+ Misses      19304    19284      -20     
  Partials      268      268              

Impacted Files	Coverage Δ
app/kudos/models.py	50.64% <0.00%> (-0.16%)	⬇️
app/townsquare/views.py	10.15% <0.00%> (-0.05%)	⬇️
app/app/context.py	0.00% <0.00%> (ø)
app/dashboard/views.py	11.05% <0.00%> (ø)
...management/commands/warn_when_wallet_out_of_eth.py	0.00% <0.00%> (ø)
app/marketing/mails.py	11.51% <0.00%> (+0.02%)	⬆️
app/grants/clr.py	13.24% <0.00%> (+0.05%)	⬆️
...eting/management/commands/assemble_leaderboards.py	40.48% <0.00%> (+0.43%)	⬆️
app/kudos/admin.py	60.24% <0.00%> (+2.76%)	⬆️

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