Ensure text is centred (particularly on Page representations of ChoiceFields) by shifting the text according to the View's left-padding.

Signed-off-by: benelliott <bengelliott@gmail.com>
Spelling correction

Signed-off-by: benelliott <bengelliott@gmail.com>
Fixed potential NPE and strange splitting effect during animations.

Signed-off-by: benelliott <bengelliott@gmail.com>