feat(payments): add min global payment limit override

[KenLSM]

Problem

Closes frm-1720

Solution

Breaking Changes

• No - this PR is backwards compatible

Before & After Screenshots

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Tests

Approach for testing should be largely regressive in nature, as we do not have an account has this capability enabled from the 3rd party side (stripe).

Regression
Variable Payment - Admin

• Create a variable payment form
• Ensure that $0.49 cannot be set as the lower limit
• Ensure that error message and placeholder should reflect $0.50 as the minimum amount
• Ensure that $0.50 can be set as the lower limit and saved
• Ensure that $10 can be set as the upper limit and saved

Variable Payment - Respondent

• Load the variable payment form
• Ensure that the lower limit cannot be lower than $0.50
• Ensure that the lower limit prompt show Enter an amount between S$0.50 and S$10.00.
• Ensure that a successful payment can be made with $0.50
• Ensure that the upper limit cannot be higher than $10
• Ensure that a successful payment can be made with $10

Payment By Products - Admin

• Create a payment by products form
• Create a product priced at $10
• Ensure that product can be saved
• Create a product priced at $25
• Ensure that product can be saved

Payment By Products - Respondent

• Load the payment form
• Make a payment with both items selected
• Ensure that a successful payment can be made

New feature test
Variable Payment - Admin

• Create a variable payment form
• On the DB set payments_field.global_min_amount_override to be 10 (Int32)
• Ensure that $0.09 cannot be set as the lower limit
• Ensure that error message and placeholder should reflect $0.10 as the minimum amount
• Ensure that $0.10 can be set as the lower limit and saved
• Ensure that $10 can be set as the upper limit and saved

Variable Payment - Respondent

• Load the variable payment form
• Ensure that the lower limit cannot be lower than $0.09
• Ensure that the lower limit prompt show Enter an amount between S$0.10 and S$10.00.
• Ensure that a successful payment can be made with $0.10
• Ensure that the upper limit cannot be higher than $10
• Ensure that a successful payment can be made with $10

[linear]

FRM-1720 Add feature flag to allow 10 cents as minimum value on form level

[sebastianwzq]

Discussed with Ken regarding concerns of hidden feature and tech debt to maintain said feature.