ios: fix update of executable path in the UI

We now update after the profile has parsed, not when it is changed.

Change-Id: I70bf9bed85c77677d0ece0d7b99dff590a9e4d47
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
ios: add qml profiler support

Change-Id: I6dbea675a77ed0d151dc6bbdcfa501c00107998c
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>