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 <[email protected]>

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

Co-authored-by: Chris Hennes <[email protected]>

* Use gerund in user-facing texts.

* Use gerund for two more user-facing strings.

Co-authored-by: Chris Hennes <[email protected]>

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

Co-authored-by: Chris Hennes <[email protected]>

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

Co-authored-by: Chris Hennes <[email protected]>

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

Co-authored-by: Chris Hennes <[email protected]>

---------

Co-authored-by: Tobias Frost <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Chris Hennes <[email protected]>

src/App/DocumentPyImp.cpp

@@ -353,7 +353,7 @@ PyObject* DocumentPy::addObject(PyObject* args, PyObject* kwd)
         str << "No document object found of type '" << sType << "'" << std::ends;
         throw Py::TypeError(str.str());
     }
-    // Allows to hide the handling with Proxy in client python code
+    // Allows one to hide the handling with Proxy in client python code
     if (obj) {
         try {
             // the python binding class to the document object