migrate to web3modal

[octavioamu]

Description

Migrate web3connect to web3modal new code.

Refers/Fixes

Testing

[codecov]

Codecov Report

Merging #6454 into stable will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           stable    #6454   +/-   ##
=======================================
  Coverage   27.18%   27.18%           
=======================================
  Files         289      289           
  Lines       26464    26464           
  Branches     3923     3923           
=======================================
  Hits         7194     7194           
+ Misses      19003    18999    -4     
- Partials      267      271    +4     

Impacted Files	Coverage Δ
app/dashboard/views.py	11.25% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	40.48% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3b2a130...06463c4. Read the comment docs.