Converted variables in Quaternion.cpp that were accidentally declared… #3302

Job	Run time
codecheck / codecheck	44m 1s
conda / conda (ubuntu-20.04)	11m 27s
docker / docker (fedora39)	18m 46s
linux / linux (-doc-mpi-)	39m 46s
docker / docker (rocky8)	22m 39s
conda / conda (macos-13)	25m 28s
linux / linux (-mpi-)	52m 20s
conda / conda (macos-14)	9m 27s
mac / macports (macos-13)	24m 1s
linux / linux (-coverage-mpi-)	1h 3m 45s
linux / linux (-debug-)	29m 56s
mac / macports (+allmodules, macos-13)	31m 12s
linux / linux (-debug-mpi-)	41m 51s
mac / macsimple (macos-13)	15m 16s
mac / macsimple (macos-14)	4m 23s
linux / linux (-intel-)	44m 41s
linux / linux (-pycv-mpi-)	20m 52s
linux / linux (-nvhpc-mpi-)	56m 37s
	9h 16m 28s

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