add address attribute for EmitFundPayment

[codecov[bot]]

Codecov Report

Merging #3348 (cdf9925) into master (fe8419c) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #3348   +/-   ##
=======================================
  Coverage   42.02%   42.03%           
=======================================
  Files         164      164           
  Lines       15587    15588    +1     
=======================================
+ Hits         6551     6552    +1     
  Misses       8635     8635           
  Partials      401      401           

Impacted Files	Coverage Δ
x/margin/keeper/events.go	100.00% <100.00%> (ø)