Load more event calling itself upon render with multiple template on IOS

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Make sure to check the existing issues in this repository

If the demo apps cannot help and there is no issue for your problem, tell us about it

Please, ensure your title is less than 63 characters long and starts with a capital
letter.

Which platform(s) does your issue occur on?

• iOS
• emulator

Please, provide the following version numbers that your issue occurs with:

• collectionView - 5.3.2
• NS ~8.5.7
• Cross-platform modules: (check the 'version' attribute in the
  node_modules/@nativescript/core/package.json file in your project)
• Runtime(s): (look for the "tns-android" and "tns-ios" properties in the package.json file of your project)
• Plugin(s): (look for the version numbers in the package.json file of your
  project and paste your dependencies and devDependencies here)

Please, tell us how to recreate the issue in as much detail as possible.

Describe the steps to reproduce it.

Is there any code involved?

• provide a code example to recreate the problem
• (EVEN BETTER) provide a .zip with application or refer to a repository with application where the problem is reproducible.

Start by checking the repository's demo app(s) for a reproducible iOS case using multiple templates and the load-more event. The issue provides no reproduction steps, code, versions, files, or tests; done would require a confirmed reproduction and a verified fix for the event firing during render.