FLUID-5091: Added a test case for components block merging failure with dynamic contributed grades.
FLUID-5091: Quick fix for FLUID-5091, using new utility "destroyValue". Pending more sound solution for FLUID-5028
Merge remote-tracking branch 'amb26/FLUID-5091'

* amb26/FLUID-5091:
  FLUID-5091: Quick fix for FLUID-5091, using new utility "destroyValue". Pending more sound solution for FLUID-5028
  FLUID-5091: Added a test case for components block merging failure with dynamic contributed grades.