[PostGIS] #5797: TopoGeo_addPoint fails: end node not geometry end point

[PostGIS]

#5797: TopoGeo_addPoint fails: end node not geometry end point
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.5.1
 Component:  topology  |    Version:  3.5.x
Resolution:            |   Keywords:
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Comment (by strk):

 The problem is that the input point (9 5) is first projected to the
 existing edge and then the edge is snapped to it, effectively moving its
 last point.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5797#comment:1>
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