Fixed typos in several doc files (#8002)

* Fixed typos in
- c_sharp_differences.rst
- debugger_panel.rst
- gdextension_cpp_example.rst
- gui_using_fonts.rst
- openxr_hand_tracking.rst
- overview_of_debugging_tools.rst
- setting_up_xr.rst
- shading_language.rst
- the_profiler.rst
- your_second_3d_shader.rst

* Update tutorials/shaders/shader_reference/shading_language.rst

Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>

* PR Feedback

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Co-authored-by: Luna <2650849-Lunalicious@users.noreply.gitlab.com>
Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>

tutorials/scripting/gdextension/gdextension_cpp_example.rst

@@ -297,7 +297,7 @@ needs. We call the function ``register_class`` for each of our classes in our li
 
 The important function is the third function called ``example_library_init``.
 We first call a function in our bindings library that creates an initialization object.
-This object registrates the initialization and termination functions of the GDExtension.
+This object registers the initialization and termination functions of the GDExtension.
 Furthermore, it sets the level of initialization (core, servers, scene, editor, level).
 
 At last, we need the header file for the ``register_types.cpp`` named
@@ -638,7 +638,7 @@ are ``PropertyInfo`` types which describe the essentials of each of the method's
 that the parameter will have by default.
 
 So here, we add a signal, with a ``MethodInfo`` which names the signal "position_changed". The
-``PropertyInfo`` parameters describe two esential arguments, one of type ``Object``, the other
+``PropertyInfo`` parameters describe two essential arguments, one of type ``Object``, the other
 of type ``Vector2``, respectively named "node" and "new_pos".
 
 Next, we'll need to change our ``_process`` method: