basesink: Don't clip the reported position in PAUSED to after the last buffer end timestamp
basesink: Don't clip the reported position in PAUSED to after the last buffer end timestamp

Otherwise we jump forward when pausing, and go backwards a bit again
when resuming playback.

surround-io/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,cablelabs/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,mparis/gstreamer,krichter722/gstreamer,centricular/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,cfoch/gstreamer,mparis/gstreamer,cfoch/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,mparis/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,mparis/gstreamer,mparis/gstreamer,cfoch/gstreamer,krichter722/gstreamer,centricular/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,jpakkane/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,Lachann/gstreamer,krichter722/gstreamer,centricular/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer