LOOM-Token: User should not allow to perform txs if bnb balance is lower then 0.000375 bnb

[yuneeksehgal]

Video Ref: https://slack-files.com/T7AB1S3LN-FQCNWT4SF-543c435925

[mimiiiz]

fixed. the withdraw button will disable if user doesn't have enough bnb token for fee
#1300