Fix docs for MultiAppMFEMShapeEvaluationTransfer and rm trailing whitespace (idaholab#32315)

Author: nmnobre

framework/doc/content/source/mfem/transfers/MFEMNodalProjector.md

@@ -5,8 +5,8 @@
 Auxiliary class for extracting nodal positions/interpolation points from MFEM FESpaces, and for setting DoFs on MFEM GridFunctions
 via projection given a vector of values evaluated at these nodes.
 
-End users should not need to interact with `MFEMNodalProjector` directly. `MFEMNodalProjector` is 
-used by MFEM transfers that set values of an MFEMGridFunction, such as 
+End users should not need to interact with `MFEMNodalProjector` directly. `MFEMNodalProjector` is
+used by MFEM transfers that set values of an MFEMGridFunction, such as
 [MultiAppMFEMShapeEvaluationTransfer](MultiAppMFEMShapeEvaluationTransfer.md).
 
 !if-end!

framework/doc/content/source/mfem/transfers/MultiAppMFEMShapeEvaluationTransfer.md

@@ -4,7 +4,7 @@
 
 Allows transfers of [MFEM variables](MFEMVariable.md) between MFEM-based applications via local
 evaluation of shape functions at target nodal projection points. The variables may be defined on
-different meshes and FESpaces of different orders, but must be real, share the same dimensionality,
+different meshes and FESpaces of different orders, but must share the same dimensionality,
 and both belong to an `MFEMProblem` in their respective applications.
 
 ## General Description

framework/doc/content/source/mfem/transfers/MultiAppMFEMTolibMeshShapeEvaluationTransfer.md

@@ -25,7 +25,7 @@ For transfers in the opposite direction, from libMesh-based applications to MFEM
 All MFEM to libMesh transfers executed from this class should be able to support:
 
 - transfers to lowest order scalar LAGRANGE and MONOMIAL variables
-- transfers to second order scalar LAGRANGE variables 
+- transfers to second order scalar LAGRANGE variables
 - transfers between variables belonging to dissimilar meshes
 - arbitrary number of parallel processes for both the source and target application
 - transfers between parent and child applications

framework/doc/content/source/mfem/transfers/MultiApplibMeshToMFEMShapeEvaluationTransfer.md

@@ -2,7 +2,7 @@
 
 !if! function=hasCapability('mfem')
 
-Allows transfers of libMesh-based [MooseVariables](MooseVariable.md) to 
+Allows transfers of libMesh-based [MooseVariables](MooseVariable.md) to
 [MFEM variables](MFEMVariable.md),
 via local evaluation of shape functions at target nodal projection points. This class supports
 transfers between different meshes, from first and second order LAGRANGE and constant MONOMIAL libMesh
@@ -28,7 +28,7 @@ For transfers in the opposite direction, from MFEM-based applications to libMesh
 All libMesh to MFEM transfers executed from this class should be able to support:
 
 - transfers from lowest order scalar LAGRANGE and MONOMIAL variables
-- transfers from second order scalar LAGRANGE variables 
+- transfers from second order scalar LAGRANGE variables
 - transfers between variables belonging to dissimilar meshes
 - arbitrary number of parallel processes for both the source and target application
 - transfers between parent and child applications