feat(SelectMenu): add clearable icon to reset modelValue

[emilsgulbis]

🔗 Linked issue

Resolves #1057

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Added clear button to the SelectMenu

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[emilsgulbis]

hey @benjamincanac
tried my best for first time OS PR. If i need to make any adjustments - please let me know

[emilsgulbis]

@benjamincanac Could you please give me some instructions to make this good to merge?

[rasyidly]

up, i really need this feature 🚀

[hasan-ozbey]

what are we waiting for

[benjamincanac]

Sorry for the delay on this, I've updated the PR and merged v3 but do note that this only works when the user actually provide a v-model, this is why I'd rather wait for Reka UI to implement this (unovue/reka-ui#1654).