PAINTROID-701: Addition of Tooltips

[bhav-khurana]

Ticket

PAINTROID 701

New Features and Enhancements

Adds tooltips at places like Load image and the New image buttons and the like to enhance user experience and let the user know the functionality of each of the buttons clearly.

Checklist

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[bhav-khurana]

@bakicelebi The requested changes have been addressed. Can you please have a look?

[bhav-khurana]

@bakicelebi @juliajulie95 Is there any other change required?

[bakicelebi]

👍🏻 Looks good.

[bhav-khurana]

@juliajulie95
Any suggestions from your side?

[juliajulie95]

Thank you!