fix(chart-controls): export/import DTTM_ALIAS properly

[ktmud]

🐛 Bug Fix

Fixes a bad import introduced by #1019

See #1034 (comment) for details

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[codecov]

Codecov Report

Merging #1035 (9ddfe6e) into master (6f5e753) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1035   +/-   ##
=======================================
  Coverage   27.74%   27.74%           
=======================================
  Files         427      428    +1     
  Lines        8758     8758           
  Branches     1314     1314           
=======================================
  Hits         2430     2430           
  Misses       6155     6155           
  Partials      173      173           

Impacted Files	Coverage Δ
...ckages/superset-ui-chart-controls/src/constants.ts	100.00% <ø> (ø)
...ges/superset-ui-core/src/query/buildQueryObject.ts	100.00% <ø> (ø)
...s/superset-ui-core/src/query/extractQueryFields.ts	100.00% <ø> (ø)
packages/superset-ui-core/src/query/constants.ts	100.00% <100.00%> (ø)

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[etr2460]

nice, lgtm