Upgrades the plugin versions of teiid clients

* Merges in latest fixes for teiid 8.4.x

* Updates the pom and plugin versions to 8.3
Fixes test expected results in line with teiid client versions

* Each teiid client version required supporting expected results in the
  TestDisplayNodeFactory tests. Values for 8.5 - 8.9 need to be included
  since 8,4 now support these versions.