Fix typos with codespell

Using codespell 1.14.0.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
doubleclick
lod
nd
numer
que
te
unselect
EOF
$ codespell -w -q 3 -I ../godot-word-whitelist.txt --skip="./thirdparty,*.po"
$ git diff // undo unwanted changes
```

doc/classes/EditorSpatialGizmoPlugin.xml

@@ -134,7 +134,7 @@
 			<return type="String">
 			</return>
 			<description>
-				Override this method to provide the name that will appear in teh gizmo visibility menu.
+				Override this method to provide the name that will appear in the gizmo visibility menu.
 			</description>
 		</method>
 		<method name="has_gizmo" qualifiers="virtual">