fix: resample method shouldn't be freeform

[zhaoyongjie]

SUMMARY

The Fill method in Advanced Analytics shouldn't be freeform. When this control sets to freeform, the fill method will be arbitrary.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before

zero.fill.mov

After

zerofill-after.mov

TESTING INSTRUCTIONS

The Fill Method control shouldn't input arbitrary values.

ADDITIONAL INFORMATION

• Has associated issue:
• 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 #21135 (234f2e2) into master (252ceb7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #21135   +/-   ##
=======================================
  Coverage   66.32%   66.32%           
=======================================
  Files        1772     1772           
  Lines       67651    67651           
  Branches     7205     7205           
=======================================
  Hits        44867    44867           
  Misses      20941    20941           
  Partials     1843     1843           

Flag	Coverage Δ
javascript	52.08% <ø> (ø)

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

Impacted Files	Coverage Δ
...-chart-controls/src/sections/advancedAnalytics.tsx	14.28% <ø> (ø)

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[stephenLYZ]

LGTM.