When the Operator set the livenessProbe of the POD, it overwrote the contents of the shared
desiredProbe. Therefore, the wrongly configured livenessProbe was applied to other PODs,
resulting in a CrashLoop. In this PR, I created another instance to avoid overwriting the
desiredProbe.
Closes: https://github.com/rook/rook/issues/8196
Signed-off-by: Yuji Ito <llamerada.jp@gmail.com>