[GR-7745] Fix FastR tests with ForeignObjectWrappers=true.

...src/com/oracle/truffle/r/nodes/unary/CastComplexNode.java

.../src/com/oracle/truffle/r/nodes/unary/CastDoubleNode.java

...src/com/oracle/truffle/r/nodes/unary/CastIntegerNode.java

...src/com/oracle/truffle/r/nodes/unary/CastLogicalNode.java

...des/src/com/oracle/truffle/r/nodes/unary/CastRawNode.java

.../src/com/oracle/truffle/r/nodes/unary/CastStringNode.java

.../src/com/oracle/truffle/r/nodes/unary/CastSymbolNode.java

.../com/oracle/truffle/r/nodes/unary/ConvertBooleanNode.java

.../src/com/oracle/truffle/r/nodes/unary/PrecedenceNode.java

...acle/truffle/r/nodes/unary/UnaryArithmeticReduceNode.java

...rc/com/oracle/truffle/r/runtime/data/RForeignWrapper.java

.../com/oracle/truffle/r/runtime/interop/ForeignArray2R.java

...est/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

.../oracle/truffle/r/test/library/fastr/TestJavaInterop.java