[PostGIS] #5680: populate_topology_layer does not work as documented

[PostGIS]

#5680: populate_topology_layer does not work as documented
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.5.0
 Component:  topology  |    Version:  master
Resolution:            |   Keywords:
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Comment (by strk):

 it turns out the problem is related to #5678 because the function works
 fine when `standard_conforming_strings` are off
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5680#comment:2>
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