Fix completion of @Anno(value=Type.|) -- error recovery appears to be missing for trailing dot here.

Common scenario is annotation that accepts an enum value. The enum type is proposed and if selected, typing dot shuts down subsequent proposals for enum constants.

import org.junit.runner.RunWith
import org.mockito.*
import org.mockito.runners.MockitoJUnitRunner

@RunWith(MockitoJUnitRunner)
class SomeTests {
  @Mock(answer=Answers.) // need error recovery for incomplete class expression
  private Object mock
}