(core): add default resolution option in camera selector

Description

Add XML Configuration in SCamera service

Closes #719 (closed)

How to test it?

• Launch TutoSimpleAR
• Load Calibration By adding a configuration on SCamera service with <resolution>min/max/preferences/value</resolution>, the pop-up dialog won't show up and the wanted resolution (min, max, or a value) will be set. When preferences is set, the resolution value will be extracted from the application's preferences. The configuration option prompt makes the service to always prompt which resolution to use.

Some results

Additional tests/tasks to run

• Try on Windows