Fix #367, make seeder respect --force

[stancl]

Fixes #367

[codecov]

Codecov Report

Merging #368 into 2.x will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##                2.x     #368   +/-   ##
=========================================
  Coverage     88.74%   88.74%           
  Complexity      435      435           
=========================================
  Files            61       61           
  Lines          1217     1217           
=========================================
  Hits           1080     1080           
  Misses          137      137           

Impacted Files	Coverage Δ	Complexity Δ
src/Commands/Seed.php	93.75% <100.00%> (ø)	5.00 <0.00> (ø)

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