MdeModulePkg/BdsDxe: Initialize gConnectConInEvent earlier
MdeModulePkg/BdsDxe: Initialize gConnectConInEvent earlier

PlatformBootManagerBeforeConsole() might want to trigger this event
to connect ConIn so BdsDxe initializes this event before
PlatformBootManagerBeforeConsole().

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <9fa3a6894a36bca79e6a72ad65af5a5702efecd1@intel.com>
Reviewed-by: Eric Dong <fa9eeec52367040ac98013bc4b2913db170588f8@intel.com>
Reviewed-by: Sunny Wang <74be04b34988dab727259a50c8e026e88682f7c8@hpe.com>
Cc: Chao B Zhang <fed49a7a524fbe970930fd44cd2de5a9d4952d81@intel.com>

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