Fix FoamTagLoader not working with updates to ViewSpec.
Fix FoamTagLoader not working with updates to ViewSpec.

foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,TanayParikh/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,TanayParikh/foam2,TanayParikh/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,TanayParikh/foam2