Fix default SMS template inconsistent placeholder

[RushanNanayakkara]

Proposed changes in this pull request

• Currently the SMSOTP type system SMS template contains a placeholder {{otpCode}}. This is inconsistent with all other OTP templates.
• This PR changes the placeholder value of this template to the commonly used {{confirmation-code}}.
• The necessary code changes for resolving the template is made in the related PRs.

Related Issue

• SMS Templates not being applied to SMS notifications wso2/product-is#21620

Related PRs

• Add notification_templates.sms_templates.apply config. wso2/carbon-identity-framework#6104
• Fix sms templates not being applied identity-local-auth-smsotp#25

When to merge

After :

• Fix sms templates not being applied identity-local-auth-smsotp#25

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/11675583136

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 17.00%. Comparing base (5b77656) to head (a9ddaac).
Report is 11 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #273   +/-   ##
=========================================
  Coverage     17.00%   17.00%           
  Complexity      179      179           
=========================================
  Files            53       53           
  Lines          3046     3046           
  Branches        335      335           
=========================================
  Hits            518      518           
  Misses         2487     2487           
  Partials         41       41           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/11675583136
Status: failure