Steps to reproduce the issue

Enable smart search aka finder and publish a finder search module somewhere or connect a menu item to the smart search item type.
Enable the load modules plugin.
Enable the smart search content plugin.
Create a site module of type custom with some content and place it at custom positon herewego.
Create an article and place a loadposition macro in that article like this:
{loadposition herewego}
Now the finder automatically indexes the new article.
Go to the search box and search for loadposition or herewego.

Expected result

I would not expect to see search results containing the article with the loadposition macro.
I would not expect the search suggestions list containing the search items loadposition and herewego.
Instead I would expect that the macro is deleted in this case before indexing.

Actual result

The search result does contain the article where the loadposition macro is placed and the suggestion list contains both loadposition and herewego.

System information (as much as possible)

joomla 4.2.0
mariadb 10.6
php 8.1 running as fpm

Additional comments

The code related is here:
https://github.com/joomla/joomla-cms/blob/4.2-dev/plugins/content/loadmodule/loadmodule.php#L43-L46
In case of $context being com_finder.indexer the macros loadposition, loadmodule and loadmoduleid should be removed.
I don't know the implication why in the case of finder triggering the onContentPrepare for loadmodule it is simply skipped, maybe for performace reasons.
I think this should be configurable in the loadmodule plugin or by adding an additional parameter to loadmodule like renderinindex or similar, which would allow to control the behaviour per macro.