chore: avoid undefined property on Global type

[justinpark]

SUMMARY

This commit avoids the following potential typescript error due to directly access global properties.

TS2339: Property 'MessageChannel' does not exist on type 'Global'.

108     global.MessageChannel = FakeMessageChannel; // yolo

TS2339: Property 'ResizeObserver' does not exist on type 'Global'.

307     if (typeof global.ResizeObserver !== 'undefined' && headerRef.current) {

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

npm run type

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

cc: @ktmud

[codecov]

Codecov Report

Merging #21631 (0f8917b) into master (5ea9249) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master   #21631   +/-   ##
=======================================
  Coverage   65.55%   65.55%           
=======================================
  Files        1798     1798           
  Lines       68793    68816   +23     
  Branches     7326     7333    +7     
=======================================
+ Hits        45095    45112   +17     
- Misses      21823    21826    +3     
- Partials     1875     1878    +3     

Flag	Coverage Δ
javascript	53.16% <0.00%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
...d/components/DashboardBuilder/DashboardBuilder.tsx	75.24% <0.00%> (ø)
...et-frontend/src/explore/reducers/exploreReducer.js	37.50% <0.00%> (-1.21%)	⬇️
...set-frontend/src/explore/actions/hydrateExplore.ts	42.10% <0.00%> (ø)
...d/src/explore/components/PropertiesModal/index.tsx	62.90% <0.00%> (ø)
.../explore/components/ExploreViewContainer/index.jsx	52.74% <0.00%> (ø)
...rc/explore/components/ExploreChartHeader/index.jsx	56.86% <0.00%> (+1.30%)	⬆️
...rontend/src/components/MetadataBar/MetadataBar.tsx	98.21% <0.00%> (+2.21%)	⬆️
...ntend/src/components/MetadataBar/ContentConfig.tsx	90.00% <0.00%> (+5.00%)	⬆️

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