PowerPort allocated draw can exceed its maximum draw for Device Types

[Starkstromkonsument]

Environment

• Python version: 3.1.3
• NetBox version: 2.10.2

Steps to Reproduce

The fix for #5218 only applies to Power Ports of Devices. When defining Power Ports for Device Types the allocated draw can still exceed the maximum draw.

Expected Behavior

This should trigger a validation error, as for the Power Ports of Devices

Observed Behavior

The power port template is created as defined, with an allocated draw higher than its maximum.