abstracts height rule to apply to the capa check, show, save actions (cherry picked from commit 050846af711ca3c86c7a309322c1db0f31973f84)
abstracts height rule to apply to the capa check, show, save actions
(cherry picked from commit 050846af711ca3c86c7a309322c1db0f31973f84)

bmedx/modulestore,bmedx/modulestore,bmedx/modulestore