Fixing launcher UI not reapplied properly when IDP changed as a result of display changes

> Removing unnecessary check when binding model data as its safe to bind old data,
  we should just not persist it (that check is already there in model writer)
> Adding additional check in model bind to skip old bind if there are multiple binds

Bug: 126259547
Bug: 118441555
Change-Id: Ic250d2af13797d3e70c6e1fc70da65ebe6ab8d70