fix(dashboard): Add remark plugin on markdown

[justinpark]

SUMMARY

Since react-markdown upgrade to latest version, table remark is no longer support in the chart markdown.
This is because the table markdown is an optional in latest react-markdown.
This commit adds the remark-gfm to support the previous support markdowns including table format.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

|Cell A|Cell B|Cell c|
|--|--|--|
|value1|value2|value3|

After:

Before:

TESTING INSTRUCTIONS

Create a dashboard and adds a markdown
type the following markdown

|Cell A|Cell B|Cell c|
|--|--|--|
|value1|value2|value3|

ADDITIONAL INFORMATION

• Has associated issue: feat: Improves SafeMarkdown HTML sanitization #21895
• 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 #23502 (e04f6df) into master (21578f7) will not change coverage.
The diff coverage is n/a.

❗ Current head e04f6df differs from pull request most recent head 74eb041. Consider uploading reports for the commit 74eb041 to get more accurate results

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  Coverage   67.63%   67.63%           
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  Files        1910     1910           
  Lines       73746    73746           
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  Hits        49876    49876           
  Misses      21829    21829           
  Partials     2041     2041           

Flag	Coverage Δ
javascript	53.84% <ø> (ø)

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Impacted Files	Coverage Δ
...s/superset-ui-core/src/components/SafeMarkdown.tsx	66.66% <ø> (ø)

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[justinpark]

cc: @ktmud @michael-s-molina

[michael-s-molina]

LGTM. Thank you for the improvement!