Remove hardcoded fields on temp setting for IoT Eldom API

[danielgospodinow]

Find where those mystery fields come from and fill in their current values instead of directly overriding with hardcoded values, lol.

For context, the values were hardcoded in the first place because the API calls did not work without them. And I couldn't find where to get them from.

pyeldom/ioteldom/convector_heater.py

Lines 148 to 153 in c91a0e3

	# TODO: Find and replace those parameters with their actual current values instead of hardcoding.
	"AutoTimeSet": "1",
	"Rate1": "06:00",
	"Rate2": "22:00",
	"SystemSettings": "1, 2, 2, 0",
	"Lock": "0",