feat: Migrates Dual Line Chart to Mixed Chart

[michael-s-molina]

SUMMARY

This PR migrates the Dual Line Chart to Mixed Chart (ECharts).

• Removes the legacy chart code and unregisters the plugin.
• Removes old plugin references throughout the codebase
• Updates unit tests
• Updates E2E tests
• Updates the example dashboards
• Updates translation files

AFTER SCREENSHOTS

TESTING INSTRUCTIONS

1 - Make sure all Dual Line charts were converted to Mixed charts
2 - Make sure Dual Line is not available anymore in the viz picker
3 - Make sure that it's possible to revert the migration by executing superset db downgrade and reverting this PR

ADDITIONAL INFORMATION

1 - Make sure all Treemap (legacy) charts were converted to Treemap
2 - Make sure Treemap (legacy) is not available anymore in the viz picker
3 - Make sure that it's possible to revert the migration by executing superset db downgrade and reverting this PR

• 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 #23910 (58df163) into master (af24092) will increase coverage by 0.03%.
The diff coverage is 100.00%.

❗ Current head 58df163 differs from pull request most recent head 3fd5ac2. Consider uploading reports for the commit 3fd5ac2 to get more accurate results

@@            Coverage Diff             @@
##           master   #23910      +/-   ##
==========================================
+ Coverage   57.42%   57.46%   +0.03%     
==========================================
  Files        1951     1951              
  Lines       75438    75394      -44     
  Branches     8218     8218              
==========================================
+ Hits        43320    43322       +2     
+ Misses      30007    29961      -46     
  Partials     2111     2111              

Flag	Coverage Δ
hive	53.53% <50.00%> (+0.04%)	⬆️
presto	53.45% <50.00%> (+0.04%)	⬆️
python	60.26% <100.00%> (+0.06%)	⬆️
unit	53.88% <100.00%> (+0.06%)	⬆️

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

Impacted Files	Coverage Δ
...nd/plugins/legacy-preset-chart-nvd3/src/NVD3Vis.js	0.00% <ø> (ø)
...end/plugins/legacy-preset-chart-nvd3/src/preset.js	0.00% <ø> (ø)
...ins/legacy-preset-chart-nvd3/src/transformProps.js	7.40% <ø> (+0.74%)	⬆️
...ponents/controls/VizTypeControl/VizTypeGallery.tsx	88.23% <ø> (ø)
...-frontend/src/visualizations/presets/MainPreset.js	100.00% <ø> (ø)
superset/examples/birth_names.py	70.00% <ø> (ø)
superset/viz.py	29.73% <ø> (+0.21%)	⬆️
...perset/migrations/shared/migrate_viz/processors.py	76.08% <100.00%> (+8.43%)	⬆️

... and 1 file with indirect coverage changes

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[rusackas]

Approving Cypress code changes... looking good, thank you for tackling all this!!