fix(explore): fix y-axis lower bound 0 value

[stephenLYZ]

SUMMARY

This pr fixes the viz that cannot be updated when the y-axis lower bound is changed to 0.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before

2021-06-10.11.08.09.mov

After

2021-06-10.11.09.22.mov

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue: [Explore] Cannot set y-axis lower bound to 0 on Line Chart #14998
• 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

[junlincc]

/testenv up

[github-actions]

@junlincc Ephemeral environment spinning up at http://54.189.190.44:8080. Credentials are admin/admin. Please allow several minutes for bootstrapping and startup.

[zhaoyongjie]

Except for lint, LGTM

closes: #14998

[codecov]

Codecov Report

Merging #15091 (b76426a) into master (c0eff8f) will decrease coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #15091      +/-   ##
==========================================
- Coverage   77.62%   77.54%   -0.08%     
==========================================
  Files         967      969       +2     
  Lines       49702    49870     +168     
  Branches     6338     6383      +45     
==========================================
+ Hits        38579    38672      +93     
- Misses      10920    10996      +76     
+ Partials      203      202       -1     

Flag	Coverage Δ
javascript	72.37% <100.00%> (-0.13%)	⬇️

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

Impacted Files	Coverage Δ
.../src/explore/components/controls/BoundsControl.jsx	97.43% <100.00%> (ø)
...nd/src/dashboard/components/nativeFilters/state.ts	75.00% <0.00%> (-25.00%)	⬇️
.../controls/MetricControl/FilterDefinitionOption.jsx	90.00% <0.00%> (-10.00%)	⬇️
superset-frontend/src/explore/constants.ts	97.36% <0.00%> (-2.64%)	⬇️
...perset-frontend/src/views/CRUD/welcome/Welcome.tsx	81.30% <0.00%> (-2.57%)	⬇️
...tend/src/views/CRUD/data/database/DatabaseList.tsx	78.07% <0.00%> (-2.31%)	⬇️
.../src/views/CRUD/data/savedquery/SavedQueryList.tsx	72.91% <0.00%> (-1.72%)	⬇️
...rontend/src/views/CRUD/dashboard/DashboardList.tsx	74.62% <0.00%> (-1.38%)	⬇️
superset-frontend/src/views/CRUD/utils.tsx	63.86% <0.00%> (-1.26%)	⬇️
...-frontend/src/views/CRUD/welcome/ActivityTable.tsx	78.43% <0.00%> (-1.17%)	⬇️
... and 24 more

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[zhaoyongjie]

LGTM, thanks for the fix.

[github-actions]

Ephemeral environment shutdown and build artifacts deleted.