chore: Reverts reset form in native filters

[michael-s-molina]

SUMMARY

Revert the removal of resetForm made in #15572. Changes made in that PR caused the cancel functionality to stop working.

@simcha90 @kgabryje @rusackas

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

screen-recording-2021-07-12-at-62719-pm_GWlTiSvl.mp4

screen-recording-2021-07-12-at-62627-pm_RtxL6h0r.mp4

TESTING INSTRUCTIONS

See before/after videos.

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #15644 (79d9060) into master (34542db) will decrease coverage by 0.07%.
The diff coverage is 64.70%.

❗ Current head 79d9060 differs from pull request most recent head ea3268d. Consider uploading reports for the commit ea3268d to get more accurate results

@@            Coverage Diff             @@
##           master   #15644      +/-   ##
==========================================
- Coverage   76.99%   76.91%   -0.08%     
==========================================
  Files         978      978              
  Lines       51486    51493       +7     
  Branches     6950     6951       +1     
==========================================
- Hits        39642    39608      -34     
- Misses      11620    11661      +41     
  Partials      224      224              

Flag	Coverage Δ
javascript	71.52% <62.50%> (+<0.01%)	⬆️
presto	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...c/views/CRUD/data/database/DatabaseModal/index.tsx	47.57% <14.28%> (+0.15%)	⬆️
...eFilters/FiltersConfigModal/FiltersConfigModal.tsx	95.23% <100.00%> (+0.36%)	⬆️
...nd/src/dashboard/util/activeAllDashboardFilters.ts	92.59% <100.00%> (ø)
.../CRUD/data/database/DatabaseModal/ExtraOptions.tsx	92.85% <100.00%> (ø)
superset/db_engine_specs/postgres.py	97.02% <100.00%> (ø)
superset/db_engine_specs/presto.py	84.42% <0.00%> (-5.90%)	⬇️
superset/connectors/sqla/models.py	88.49% <0.00%> (-1.41%)	⬇️
superset/models/core.py	89.79% <0.00%> (-0.27%)	⬇️

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[simcha90]

I think we don't need this line (form.resetFields();) because it cause issue that described in previous PR...
Also form will be destroyed automatically, after modal closed

But other lines of this function is good to have - to reset local state :)

[michael-s-molina]

Line removed! Thanks!

[kgabryje]

LGTM