fix: single dispatch order

ref: N25B-429

src/control_backend/agents/bdi/agentspeak_generator.py

@@ -378,23 +378,23 @@ class AgentSpeakGenerator:
     def _(self, la: LLMAction) -> AstExpression:
         return AstLiteral("reply_with_goal", [AstString(la.goal)])
 
-    @staticmethod
     @singledispatchmethod
+    @staticmethod
     def slugify(element: ProgramElement) -> str:
         raise NotImplementedError(f"Cannot convert element {element} to a slug.")
 
-    @staticmethod
     @slugify.register
+    @staticmethod
     def _(sb: SemanticBelief) -> str:
         return f"semantic_{AgentSpeakGenerator._slugify_str(sb.name)}"
 
-    @staticmethod
     @slugify.register
+    @staticmethod
     def _(g: Goal) -> str:
         return AgentSpeakGenerator._slugify_str(g.name)
 
-    @staticmethod
     @slugify.register
+    @staticmethod
     def _(t: Trigger):
         return f"trigger_{AgentSpeakGenerator._slugify_str(t.name)}"