Fix remaining error related bugs in vector access nodes.

...truffle/r/nodes/builtin/base/InfixEmulationFunctions.java

.../truffle/r/nodes/access/vector/ExtractVectorNodeTest.java

.../truffle/r/nodes/access/vector/ReplaceVectorNodeTest.java

...ruffle/r/nodes/access/vector/CachedReplaceVectorNode.java

...acle/truffle/r/nodes/access/vector/ExtractVectorNode.java

...le/r/nodes/access/vector/PositionCharacterLookupNode.java

...fle/r/nodes/access/vector/PositionCheckSubscriptNode.java

.../r/nodes/access/vector/RecursiveExtractSubscriptNode.java

.../r/nodes/access/vector/RecursiveReplaceSubscriptNode.java

...acle/truffle/r/nodes/access/vector/ReplaceVectorNode.java