Migrated problem blocks open in OLX editor

[edschema]

Current Behavior
Editing a migrated problem blocks within a Content Library opens the OLX editor:

Desired Behavior
Editing a migrated problem block should behave like any problem block and open the correct problem editor. ie: if the block type is a single select, editor should open to the single select problem editor.

[ChrisChV]

Hi @jmakowski1123 @sdaitzman @edschema this is ready for AC testing on the sandbox

[edschema]

Working as expected. Thank you!