[PostGIS] #5634: ST_Contains missed one of the pairs

[PostGIS]

#5634: ST_Contains missed one of the pairs
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  Reporter:  Wenjing  |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.4.2
 Component:  postgis  |    Version:  3.4.x
Resolution:           |   Keywords:
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Comment (by pramsey):

 This is probably a mistake in GEOS PreparedContains, since the PostGIS
 caching system is doing the first test with Contains and the second
 (cached) with PreparedContains
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5634#comment:1>
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