[3.0.0 ]Cannot update a parameter attached to an API resource due to a UI issue

[wasuradananjith]

Description:

When updating the parameters of a resource of an API, a duplicate parameter will be added rather than updating the existing one.

Steps to reproduce:

1. Create an API and add some resources as shown below.
2. Expand one of the above, and add a parameter as shown below and click on Save.
3. Again expand the same resource and click on the edit icon of the parameter and the below box will be displayed.
4. Note that the Type and the Format is not loaded properly. Even you try to select either the Type or the Format, the UI will not get updated properly.
5. Finally, click on the Done button, another duplicate parameter will be added to the same resource.

Affected Product Version:

WUM updated APIM 3.0.0 (wso2am-3.0.0+1625828890078.full.staging)

Environment details (with versions):

• OS: Ubuntu 20.04.2 LTS
• Browser: Chrome

[tharikaGitHub]

This is not reproducible in the latest master branch.