Set element.style.display to "inline-block" also in OdfCanvas' refreshOdf()

Fixes the initial display of documents with no annotations or if disabled

Fixup for 3ae91bbfdd5d33224748fcbe16184376e6a15799
Merge pull request #602 from kossebau/fixInitialCanvasSize

Set element.style.display to "inline-block" also in OdfCanvas' refreshOdf()