Add Adw.Breakpoint custom syntax

blueprintcompiler/language/gobject_property.py

@@ -76,11 +76,6 @@ class Property(AstNode):
             # This happens for classes defined by the app itself
             return
 
-        if isinstance(self.parent.parent, Template):
-            # If the property is part of a template, it might be defined by
-            # the application and thus not in gir
-            return
-
         if self.gir_property is None:
             raise CompileError(
                 f"Class {self.gir_class.full_name} does not have a property called {self.tokens['name']}",