Inside ve.ce.Document.getRelativeOffset fallback to 'character' mode if 'word' mode returns the same offset as was passed originally

Change-Id: Ia3de5d5c1f37f17161fb1c8c9a284c868bb4a5fb
Merge "Inside ve.ce.Document.getRelativeOffset fallback to 'character' mode if 'word' mode returns the same offset as was passed originally"