Add feedback when unsupported target type (e.g. Model Target) uploaded

[benptc]

Detect by parsing the XML and check if it contains QCARConfig > Tracking > ModelTarget

[hobinjk-ptc]

@valentinptc Where was this implemented?

[valentinptc]

I think the way we need to solve it is to add Model Target support, because that is the only target type we do not support at this point. Ill reopen and we close it once model target support is available.