Users are unable to make a One-time Donation using cbBTC

[LatifatAbdullahi]

When Users attempt to make a one-time donation, an error message is displayed "Transaction failed"

AC

• users should be able to make a one-time donation to a project with NO additional donation to Giveth
• users should be able to make a one-time donation to a project with WITH additional donation to Giveth
• price for cbBTC should show correctly
• user should be able to click "available" under amount input box which inserts user's current balance into input field for amount
• donation in cbBTC above $5 in value should show in eligible donations in GIVbacks data -> https://givbacks.giveth.io/api-docs/#/default/get_eligible_donations (need Giveth VPN enabled)