OCPBUGS-23080: Add multiline support to template instantiation

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Fixes:

https://issues.redhat.com/browse/OCPBUGS-23080 #13317

Analysis / Root cause:

<input type="text /> does not support multiline

Solution Description:

Add a button to toggle between multiline and single line

Screen shots / Gifs for design review:

https://github.com/user-attachments/assets/1441c45a-9882-4aa7-b4da-f4222f0e572c

Unit test coverage report:

n/a

Test setup:

Download the example template posted in the jira ticket comments and apply it using oc create -f ./template.yaml

Browser conformance:

• [x] Chrome
• [x] Firefox
• [ ] Safari