8283794: CCE in XRTextRenderer.drawGlyphList and XRMaskFill.MaskFill

Extracted try/catch logic of SurfaceData cast to particular SurfaceData subclass into convenience method SurfaceData.convertTo(). Applied the method to XRTextRenderer.drawGlyphList() and XRMaskFill.MaskFill(). Refactored try/catch blocks handling similar cases.