debug must be enabled (implicitly and temporarily) after an explicit call to browser()

...rc/com/oracle/truffle/r/engine/RRuntimeASTAccessImpl.java

...m/oracle/truffle/r/nodes/builtin/base/DebugFunctions.java

...tin/src/com/oracle/truffle/r/nodes/builtin/base/Quit.java

.../truffle/r/nodes/builtin/helpers/BrowserInteractNode.java

...oracle/truffle/r/nodes/builtin/helpers/DebugHandling.java

.../com/oracle/truffle/r/runtime/ffi/jnr/CallRFFIHelper.java

...me/src/com/oracle/truffle/r/runtime/context/RContext.java

...le/truffle/r/runtime/instrument/InstrumentationState.java