feat(plugin-chart-echarts): add x and y label support for 9 charts

[MaxHuiYYDS]

fix #16512

🏆 Enhancements
This PR supports two features:
1 User can add X/Y axis label in below chart:
time series line chart,
time series area chart,
time series bar chat,
time series scatter plot,
mix time series,
time series chart,
time series smooth line,
time series stepped line,
box plot.
2 Changed previews default top Y axis position to dynamic left/top choice.
related to:
apache/superset#16512

After:

Screen.Recording.2021-09-07.at.8.56.51.AM.mov

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🔍 Inspect: https://vercel.com/superset/superset-ui/DriSQ7pcHkzvw9jeMUbRK5AdMgYC
✅ Preview: https://superset-ui-git-fork-maxhuiyyds-feat-timeseries-1d76d8-superset.vercel.app

[MaxHuiYYDS]

@junlincc @stephenLYZ please help me review this PR, :)

[codecov]

Codecov Report

Merging #1351 (9ab5825) into master (779b942) will increase coverage by 0.06%.
The diff coverage is 56.52%.

@@            Coverage Diff             @@
##           master    #1351      +/-   ##
==========================================
+ Coverage   30.03%   30.09%   +0.06%     
==========================================
  Files         489      491       +2     
  Lines        9856     9875      +19     
  Branches     1654     1663       +9     
==========================================
+ Hits         2960     2972      +12     
- Misses       6655     6658       +3     
- Partials      241      245       +4     

Impacted Files	Coverage Δ
plugins/plugin-chart-echarts/src/BoxPlot/types.ts	0.00% <ø> (ø)
...chart-echarts/src/MixedTimeseries/controlPanel.tsx	80.00% <ø> (ø)
...hart-echarts/src/MixedTimeseries/transformProps.ts	0.00% <0.00%> (ø)
.../plugin-chart-echarts/src/MixedTimeseries/types.ts	100.00% <ø> (ø)
...chart-echarts/src/Timeseries/Area/controlPanel.tsx	50.00% <ø> (ø)
...ts/src/Timeseries/Regular/Scatter/controlPanel.tsx	50.00% <ø> (ø)
...rt-echarts/src/Timeseries/Regular/controlPanel.tsx	50.00% <ø> (ø)
...chart-echarts/src/Timeseries/Step/controlPanel.tsx	40.00% <ø> (ø)
...ugin-chart-echarts/src/Timeseries/controlPanel.tsx	40.00% <ø> (ø)
...ugins/plugin-chart-echarts/src/Timeseries/types.ts	100.00% <ø> (ø)
... and 8 more

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[zhaoyongjie]

Thanks for your patience. LGTM.