Investigate and use the abuse filter for the FileImporter if appropriate
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Description

Motivation
Files uploaded through the file importer should adhere to current standards. Therefore they should be able to pass the abuse filter

Task
If appropriate, we should:
When saving the fileImporter specialPage, the imported file should pass the abuse filter.

What makes it difficult is that we need to enter the old revisions in order, i.e. the current file revision needs to be the last one. Should old revisions also trigger the abuse filter, or just the current one? If only the current one, can we apply the abuse filter before having copied all older revisions?