OpenMCCellAverageProblem updates

[meltawila]

Update OpenMCCellAverageProblem to use the displaced problem mesh

(Ref. #906)

[moosebuild]

Job Documentation on 2da8dba wanted to post the following:

View the site here

This comment will be updated on new commits.

[moosebuild]

Job Precheck on 2c42c72 wanted to post the following:

Your code requires style changes.

A patch was auto generated and copied here
You can directly apply the patch by running, in the top level of your repository:

curl -s https://mooseframework.inl.gov/cardinal/docs/PRs/907/clang_format/style.patch | git apply -v

Alternatively, with your repository up to date and in the top level of your repository:

git clang-format 813139c372a3c4b1f39bb92a443c410c71041ae5

[moosebuild]

Job Coverage on 2da8dba wanted to post the following:

Coverage

	d5e785	#907 2da8db
	Total	Total	+/-	New
Rate	93.54%	93.46%	-0.08%	86.89%
Hits	7252	7275	+23	53
Misses	501	509	+8	8

Diff coverage report

Full coverage report

Warnings

• New new line coverage rate 86.89% is less than the suggested 90.0%

This comment will be updated on new commits.