fix MeanVelocityForceCellZone demo: typo and missing ShapeRefs

[kevinsmia1939]

Test for MeanVelocityForceCellZone failed with

-------------- Start of CFD tests --------------- 
Running Meanvelocityforce_cellZone macro /home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/Demos/Meanvelocityforce_cellZone/01-geom.FCMacro ... 
Running Meanvelocityforce_cellZone macro /home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/Demos/Meanvelocityforce_cellZone/02-analysis.FCMacro ... 
Running Meanvelocityforce_cellZone macro /home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/Demos/Meanvelocityforce_cellZone/03-mesh.FCMacro ... 
Running Meanvelocityforce_cellZone macro /home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/Demos/Meanvelocityforce_cellZone/04-boundary_conditions.FCMacro ... 
======================================================================
ERROR: test_run (TestCfdOF.MeanVelocityForceCellZoneTest.test_run)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/.mount_FreeCAlDEDDo/usr/lib/python3.11/unittest/case.py", line 57, in testPartExecutor
    yield
  File "/tmp/.mount_FreeCAlDEDDo/usr/lib/python3.11/unittest/case.py", line 623, in run
    self._callTestMethod(testMethod)
  File "/tmp/.mount_FreeCAlDEDDo/usr/lib/python3.11/unittest/case.py", line 579, in _callTestMethod
    if method() is not None:
       ^^^^^^^^
  File "/home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/./TestCfdOF.py", line 540, in test_run
    CfdTools.executeMacro(macro_name)
  File "/home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/./CfdOF/CfdTools.py", line 1724, in executeMacro
    macro_contents += open(macro_name).read()
                      ^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/home/kevin/.local/share/FreeCAD/v1-1/Mod/CfdOF/Demos/Meanvelocityforce_cellZone/04-boundary_conditions.FCMacro'

Shaperef also need to be add to fix another fail test

AssertionError: fvOptions test failed.
  @@ -19 +19 @@                                                                                                             
  -Cylinder001MomentumSource                                                                                                
  +MomentumSource                                                                                                           
  @@ -23 +23 @@                                                                                                             
  -    cellZone        Cylinder001;                                                                                         
  +    cellZone        ;                                                                                                    
  @@ -28 +28 @@
  -        cellZone        Cylinder001;                                                                                     
  +        cellZone        ;