isMigrated added to condition

[arthur-zhuk]

The reference to isLegacyPool seems to be isMigrated now. This was preventing withdraws from legacy pools.

[codecov[bot]]

Codecov Report

Merging #1230 (5aa7ddb) into master (61678a9) will not change coverage. The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master    #1230   +/-   ##
=======================================
  Coverage   10.30%   10.30%           
=======================================
  Files         161      161           
  Lines        6053     6053           
  Branches     1965     1965           
=======================================
  Hits          624      624           
  Misses       5429     5429           

Impacted Files	Coverage Δ
src/utils/index.ts	36.65% <0.00%> (ø)

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