wsi/x11: Use wsi_x11_get_connection in x11_present_to_x11_dri3
Instead of creating a new wsi_x11_connection every time.
Fixes memory leak and bad performance.
Fixes: 4292fb21 "wsi/x11: Use PresentOptionAsync for MAILBOX present mode with Xwayland" Reported-by: default avatarChris Rankin rankincj@yahoo.com
Plus fixes for two more minor regressions of !8197 (merged).