Remove extra nodes when sorting the images in Slider with drag-and-drop.

[Soare-Robert-Daniel]

Closes #1820

Summary

🔴 I could not find how to fix this by tweaking the props of the HOC component.

🔧 The working solution was a manual cleaning of the extra nodes. It is a little hack, but it works.

Screenshots

2023-08-28.15-41-47.mp4

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Test instructions

1. Create a Slider Block
2. Add images.
3. Sort the images using the Drag and Drop feature like in the video above.

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Checklist before the final review

• Included E2E or unit tests for the changes in this PR.
• Visual elements are not affected by independent changes.
• It is at least compatible with the minimum WordPress version.
• It loads additional script in frontend only if it is required.
• Does not impact the Core Web Vitals.
• In case of deprecation, old blocks are safely migrated.
• It is usable in Widgets and FSE.
• Copy/Paste is working if the attributes are modified.
• PR is following the best practices

[pirate-bot]

Bundle Size Diff

Package	Old Size	New Size	Diff
Animations	270.78 KB	270.78 KB	0 B (0.00%)
Blocks	1.42 MB	1.42 MB	212 B (0.01%)
CSS	85.28 KB	85.28 KB	0 B (0.00%)
Dashboard	122.49 KB	122.49 KB	0 B (0.00%)
Export Import	83.17 KB	83.17 KB	0 B (0.00%)
Pro	303.27 KB	303.29 KB	12 B (0.00%)

[pirate-bot]

Plugin build for bdb4477 is ready 🛎️!

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[pirate-bot]

E2E Summary

Typing

Test	Average Time (ms)	Standard Deviation (ms)	Median Time (ms)	Quantile for soft limit (%)	Quantile for hard limit (%)
Typing	68.16	3.94	68.17	0 (60ms)	100 (80ms)

Values above 60ms

"0 - 64.88, 1 - 61.15, 2 - 60.42, 3 - 62.20, 4 - 69.71, 5 - 67.64, 6 - 68.15, 7 - 68.16, 8 - 73.89, 9 - 71.63, 10 - 68.54, 11 - 69.99, 12 - 68.17, 13 - 67.10, 14 - 68.39, 15 - 68.62, 16 - 76.45, 17 - 72.41, 18 - 67.49"

[irinelenache]

@Soare-Robert-Daniel Tested and the issue is fixed now 👍

[pirate-bot]

🎉 This PR is included in version 2.4.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀