Fully qualified type name inserted in private final field declaration instead of import + simple name (disregarding workspace preference)

Variation of #866.

Consider this class:

```groovy
package test50

class Test50 {
	
	String foo
	
	private final TreeNode|
}
```

Invoke code assist at "|" and choose `javax.swing.tree.TreeNode`.
Once again, the fully qualified name is inserted instead of the import declaration.