PR Checklist

• The commit message follows our guidelines: https://github.com/elementor/elementor/blob/master/.github/CONTRIBUTING.md

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

Summary

This PR can be summarized in the following changelog entry:

Description

An explanation of what is done in this PR

Test instructions

This PR can be tested by following these steps:

Quality assurance

• I have tested this code to the best of my abilities
• I have added unittests to verify the code works as intended
• Docs have been added / updated (for bug fixes / features)

Fixes #

✨ PR Description

Purpose: Add placeholder support to SizeControl component to display default values when no specific value is set.
Main changes:

• Implemented placeholder display for size input field using bound prop context data
• Added styled unit button that changes color based on value state
• Created useUnitPlaceholder hook to manage placeholder visibility logic
• Added comprehensive test cases for placeholder behavior in different scenarios

Generated by LinearB AI and added by gitStream.
_{AI-generated content may contain inaccuracies. Please verify before using. We'd love your feedback! 🚀}