spelling fixes (#18688)

* Fixes spelling of "Allow to" to "Allow one to"

and those variants:
Allows to -> Allows one to
allow to -> allow one to
allows to -> allows one to

* Fix "Let's -> Lets"

(and lower case variant.)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update src/3rdParty/salomesmesh/inc/MED_Wrapper.hxx

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

* Update src/Base/PyObjectBase.cpp
Update src/App/ExtensionContainer.h
Update src/App/PropertyContainer.h

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

* Use gerund in user-facing texts.

* Use gerund for two more user-facing strings.

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

* Update src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

---------

Co-authored-by: Tobias Frost <tobi@debian.org>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

src/Base/ConsoleObserver.h

@@ -95,7 +95,7 @@ private:
 };
 
 /** The ILoggerBlocker class
- *  This class allows to temporary block then automatically restore arbitrary message types
+ *  This class allows one to temporary block then automatically restore arbitrary message types
  *  on a particular console observer.
  */
 class BaseExport ILoggerBlocker

src/Base/PyObjectBase.cpp

@@ -96,7 +96,7 @@ PyObjectBase::~PyObjectBase()
  * To prevent subclasses of PyTypeObject to be subclassed in Python we should remove
  * the Py_TPFLAGS_BASETYPE flag. For example, the classes App::VectorPy and App::MatrixPy
  * have removed this flag and its Python proxies App.Vector and App.Matrix cannot be subclassed.
- * In case we want to allow to derive from subclasses of PyTypeObject in Python
+ * In case we want to allow a new class to derive from subclasses of PyTypeObject in Python
  * we must either reimplement tp_new, tp_dealloc, tp_getattr, tp_setattr, tp_repr or set them to
  * 0 and define tp_base as 0.
  */
@@ -367,7 +367,7 @@ int PyObjectBase::__setattro(PyObject *obj, PyObject *attro, PyObject *value)
     const char *attr{};
     attr = PyUnicode_AsUTF8(attro);
 
-    //Hint: In general we don't allow to delete attributes (i.e. value=0). However, if we want to allow
+    //Hint: In general we don't allow one to delete attributes (i.e. value=0). However, if we want to allow
     //we must check then in _setattr() of all subclasses whether value is 0.
     if (!value) {
         PyErr_Format(PyExc_AttributeError, "Cannot delete attribute: '%s'", attr);

src/Base/Sequencer.h

@@ -85,7 +85,7 @@ class SequencerLauncher;
  *        seq2.next ();
  *      }
  *
- *      seq1.next ( true ); // allow to cancel
+ *      seq1.next ( true ); // allow one to cancel
  *    }
  *  }
  *  catch(const Base::AbortException&){

src/Base/VectorPyImp.cpp

@@ -733,7 +733,7 @@ int VectorPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
 }
 
 // TODO: for v0.18
-// In generation script allow to more precisely define which slots
+// In generation script allow one to more precisely define which slots
 // of the number protocol should be supported instead of setting all.
 
 PyObject* VectorPy::number_divide_handler(PyObject* self, PyObject* other)