[Create Bounty]: `Confirm` Button Should Disable for Empty Spaces and Only Allow `Numbers`

[MuhammadUmer44]

Describe the bug

• Confirm button is enabled when only empty spaces are input and should allow input of only numbers.

Bug demo and Images:

https://www.loom.com/share/9ab6f11e751a41fba4e6cad320f7da22

Acceptance Criteria

• [x] Confirm button should not enable with empty spaces.
• [x] Confirm button should allow only numbers.

[MuhammadUmer44]

Hi @tomsmith8, Please assign me?