LibJS: Fix compilation of operator= for JS::SafeFunction

operator= for JS::SafeFunction was missing the CallableKind parameter
in the call to init_with_callable. This was not picked up before as
nothing used operator= on JS::SafeFunction.

Userland/Libraries/LibJS/SafeFunction.h

@@ -88,7 +88,7 @@ public:
     requires((AK::IsFunctionObject<CallableType> && IsCallableWithArguments<CallableType, Out, In...>))
     {
         clear();
-        init_with_callable(forward<CallableType>(callable));
+        init_with_callable(forward<CallableType>(callable), CallableKind::FunctionObject);
         return *this;
     }
 
@@ -98,7 +98,7 @@ public:
     {
         clear();
         if (f)
-            init_with_callable(move(f));
+            init_with_callable(move(f), CallableKind::FunctionPointer);
         return *this;
     }