chore: change order of tab on explore data panel

[lilykuang]

SUMMARY

• show metrics before columns on explore data panel

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

After
https://www.loom.com/share/b8c248ca475a493c9d8925a91c086d45

TEST PLAN

ADDITIONAL INFORMATION

• Has associated issue: [explore] datapanel: order of content section #12316
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

[codecov-io]

Codecov Report

Merging #12335 (995ce5a) into master (076c31d) will decrease coverage by 3.67%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #12335      +/-   ##
==========================================
- Coverage   66.60%   62.92%   -3.68%     
==========================================
  Files        1002     1001       -1     
  Lines       49330    49367      +37     
  Branches     5020     5033      +13     
==========================================
- Hits        32855    31065    -1790     
- Misses      16333    18095    +1762     
- Partials      142      207      +65     

Flag	Coverage Δ
cypress	?
javascript	60.99% <0.00%> (-0.19%)	⬇️
python	64.18% <ø> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
...rontend/src/explore/components/DatasourcePanel.tsx	85.36% <0.00%> (-4.88%)	⬇️
superset-frontend/src/explore/App.jsx	0.00% <0.00%> (-100.00%)	⬇️
superset-frontend/src/dashboard/App.jsx	0.00% <0.00%> (-100.00%)	⬇️
superset-frontend/src/components/Hotkeys.jsx	0.00% <0.00%> (-100.00%)	⬇️
superset-frontend/src/chart/ChartContainer.jsx	0.00% <0.00%> (-100.00%)	⬇️
superset-frontend/src/explore/reducers/index.js	0.00% <0.00%> (-100.00%)	⬇️
...et-frontend/src/dashboard/containers/Dashboard.jsx	0.00% <0.00%> (-100.00%)	⬇️
...t-frontend/src/explore/reducers/getInitialState.js	0.00% <0.00%> (-100.00%)	⬇️
...-frontend/src/visualizations/presets/MainPreset.js	0.00% <0.00%> (-100.00%)	⬇️
...tend/src/dashboard/containers/DashboardBuilder.jsx	0.00% <0.00%> (-100.00%)	⬇️
... and 173 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 076c31d...995ce5a. Read the comment docs.

[pkdotson]

LGTM!

[adam-stasiak]

OK for me after test!

[junlincc]

thanks for the fix!

@lilykuang, could you please make sure the changes made in fix(explore): metrics caret not expanding in datasource panel are captured in your PR? - both sections open by default.

not ready to merge yet.

[junlincc]

tested again, both section open by default. approving