ENH: function objects - apply scoped name when registering objects

...enFOAM/db/functionObjects/functionObject/functionObject.C

...enFOAM/db/functionObjects/functionObject/functionObject.H

src/functionObjects/field/DESModelRegions/DESModelRegions.C

src/functionObjects/field/XiReactionRate/XiReactionRate.C

src/functionObjects/field/columnAverage/columnAverage.C

src/functionObjects/field/fieldAverage/fieldAverage.C

...ts/field/fieldAverage/fieldAverageItem/fieldAverageItem.H

...s/field/fieldAverage/fieldAverageItem/fieldAverageItemI.H

src/functionObjects/field/fieldExpression/fieldExpression.C

...unctionObjects/field/fieldExtents/fieldExtentsTemplates.C

...nctionObjects/field/heatTransferCoeff/heatTransferCoeff.C

...Objects/field/particleDistribution/particleDistribution.C

src/functionObjects/field/pressure/pressure.C

src/functionObjects/field/randomise/randomise.C

...cts/field/regionSizeDistribution/regionSizeDistribution.C

src/functionObjects/field/wallHeatFlux/wallHeatFlux.C

src/functionObjects/field/wallShearStress/wallShearStress.C

src/functionObjects/field/yPlus/yPlus.C

src/functionObjects/field/zeroGradient/zeroGradient.C

src/functionObjects/forces/forceCoeffs/forceCoeffs.C