Update SMS provider payload template

[UdeshAthukorala]

Purpose

• Resolves: [User Attribute Change Verification] The "Enable user mobile number verification on update" /"Enable user email verification on update" is getting triggered when "adding" a mobile number/email product-is#19719

Related Issues

• [User Attribute Change Verification] The "Enable user mobile number verification on update" /"Enable user email verification on update" is getting triggered when "adding" a mobile number/email product-is#19719

Related PRs

• Related PR #1 or (None)

Checklist

• e2e cypress tests locally verified.
• Manual test round performed and verified.
• UX/UI review done on the final implementation.
• Documentation provided. (Add links if there are any)
• Unit tests provided. (Add links if there are any)
• Integration tests provided. (Add links if there are any)

Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines?
• Ran FindSecurityBugs plugin and verified report?
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets?