CLONE - In an assignment with a limit of two files, Drag and Drop respects the boundary

Test Pre-requisites:

• A assignment with file submissions enabled. The assignment setting "Maximum number of uploaded files" is set to 2.

Test Steps:
1. Log in a student and navigate to the assignment.
2. Drag 3 files onto the file submission File Manager form element. Verify that Moodle warns you that the limit is 2 files and upon confirmation of the warning dialog, no files are added.