[mvc] [pagination] Fix #1127 pagination

[dpgaspar]

Fix for #1127 also open on apache/superset#8200

[codecov]

Codecov Report

Merging #1143 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #1143   +/-   ##
=======================================
  Coverage   71.57%   71.57%           
=======================================
  Files          44       44           
  Lines        5964     5964           
=======================================
  Hits         4269     4269           
  Misses       1695     1695

Impacted Files	Coverage Δ
flask_appbuilder/models/sqla/interface.py	73.74% <100%> (ø)	⬆️

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