Splitting function `CaptureStart` into `CaptureStart` (when depth == 0)
and `CaptureEnter` (when depth > 0), while removing argument `depth`.
Same with splitting `CaptureEnd` into `CaptureEnd` and `CaptureExit`
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro-2.local>
In this first step, the new functions `CaptureTxStart` and
`CaptureTxEnd` are introduced to all tracers
Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro-2.local>