refactor: restructure shared-contrls modules

[zhaoyongjie]

SUMMARY

The original goal of this PR is that the XAxisSortControl should be moved into shared-controls modules(refer to PR). So, do a refactor in this part.

• Remove unused file in shared-module: legacySortBy.tsx
• The shared-controls is declared as a module and creates a index.ts in it.
• Use Named-import instead of Default-import when performing the import statement on the shared-controls.
• Rename the emitFilterControl.ts to the customControls.ts, the goal is that this file should contain more custom controls in the future.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/a

TESTING INSTRUCTIONS

should pass all CI steps.

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

[villebro]

LGTM

[codecov]

Codecov Report

Merging #22224 (10eed70) into master (1831e8c) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #22224      +/-   ##
==========================================
- Coverage   66.90%   66.90%   -0.01%     
==========================================
  Files        1835     1834       -1     
  Lines       69988    69986       -2     
  Branches     7612     7612              
==========================================
- Hits        46825    46823       -2     
  Misses      21197    21197              
  Partials     1966     1966              

Flag	Coverage Δ
javascript	53.74% <0.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
...d/packages/superset-ui-chart-controls/src/index.ts	100.00% <ø> (ø)
...t-controls/src/sections/echartsTimeSeriesQuery.tsx	33.33% <ø> (ø)
...rt-controls/src/shared-controls/customControls.tsx	0.00% <0.00%> (ø)
...rt-controls/src/shared-controls/sharedControls.tsx	53.44% <ø> (ø)
...d/packages/superset-ui-chart-controls/src/types.ts	100.00% <ø> (ø)
...i-chart-controls/src/utils/expandControlConfig.tsx	100.00% <ø> (ø)

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