move create position out of admin container

[dustymc]

Source

ArctosDB/arctos#8333

Summary

move create position out of admin container role, to

• manage_container if practical (I think it won't be, this requires CREATE, will carefully review)
• new role ('manage_position"??) if not practical to shuffle

User Interface Changes

possible new role or redefine of existing

Data Structure Changes

possible new role

[happiah-madson]

@dustymc is /loaders/bulkCreateContainerPositions.cfm the tool that would be moved to 'manage_position'?