File formats: Uppercase file types when importing a file. (#10977)

* Added uppercase extensions for supported formats

In the file App\Application.cpp

* Added file types in upper case

* Adds uppercase file types to the file import filter.

Fixes #10879

* Added filter for *.fcmacro *.fcscript

src/Mod/Web/InitGui.py

@@ -46,6 +46,6 @@ class WebWorkbench(Workbench):
 Gui.addWorkbench(WebWorkbench())
 
 # Append the open handler
-FreeCAD.addImportType("Web Page (*.html *.xhtml)", "WebGui")
+FreeCAD.addImportType("Web Page (*.html *.HTML *.xhtml *.XHTML)", "WebGui")
 
 FreeCAD.__unit_test__ += ["TestWebGui"]