fix: add x/distribution's module account into blockedAddr

[0Tech]

Description

Closes: #751

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly.
• I have updated API documentation client/docs/swagger-ui/swagger.yaml

[codecov]

Codecov Report

Merging #752 (be4cf4f) into main (f7d1830) will increase coverage by 0.00%.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #752   +/-   ##
=======================================
  Coverage   62.15%   62.15%           
=======================================
  Files         879      879           
  Lines       99371    99371           
=======================================
+ Hits        61760    61761    +1     
+ Misses      33991    33987    -4     
- Partials     3620     3623    +3     

Impacted Files	Coverage Δ
simapp/app.go	86.11% <ø> (ø)
x/collection/msgs.go	51.04% <0.00%> (-1.20%)	⬇️
x/bank/simulation/operations.go	84.19% <0.00%> (+1.29%)	⬆️
x/token/msgs.go	50.95% <0.00%> (+1.52%)	⬆️
x/token/validation.go	89.09% <0.00%> (+1.81%)	⬆️