[Port to dspace-7_x] Fix for double view events when using dynamic themes

[LotteHofstede]

References

• Fixes viewevents POST request sent twice for page views within "scoped" themes #4099
• Backport of Fix for double view events when using dynamic themes #4231 for dspace-7_x

Description

This PR moves the tracking of view events for the purpose of registering statistics from a component to a resolver.
This resolves the mentioned issue that whenever a component is pre-rendered before the page is able to load the dynamic theme and load the final version of this component, the view event won't be triggered twice.

Instructions for Reviewers

Add the following to your configuration

themes:
  - name: custom
    extends: dspace
    handle: 10673/1161
  - name: dspace

Load an item page for an item in the 10673/1161 community while your Network DevTools tab is opened. This should only trigger a single "viewevents" call to the backend once this PR is applied.

[tdonohue]

👍 Verified code looks the same as #4232 and #4231. Tested via #4231.