fix(plugin-chart-echarts): fix customize margin

[stephenLYZ]

SUMMARY

This PR fixes the problem that chart will shrink when input customize X AXIS TITLE MARGIN or Y AXIS TITLE MARGIN.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

before

Screen.Recording.2022-01-19.at.11.37.33.PM.mov

after

2022-02-28.11.53.31.mov

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue: [chart viz][Time-series bar chart v2] chart will shrink when input customize X AXIS TITLE MARGIN or Y AXIS TITLE MARGIN #18104
• Required feature flags:
• 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 #18958 (2736663) into master (2bacedd) will not change coverage.
The diff coverage is 33.33%.

@@           Coverage Diff           @@
##           master   #18958   +/-   ##
=======================================
  Coverage   66.39%   66.39%           
=======================================
  Files        1641     1641           
  Lines       63511    63511           
  Branches     6421     6421           
=======================================
  Hits        42168    42168           
  Misses      19682    19682           
  Partials     1661     1661           

Flag	Coverage Δ
javascript	51.00% <33.33%> (ø)

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

Impacted Files	Coverage Δ
...lugin-chart-echarts/src/Timeseries/transformers.ts	51.23% <33.33%> (ø)

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[villebro]

LGTM, thanks for the fix!