Fix new Clippy lints

nih_plug_vizia/src/widgets/param_base.rs

@@ -98,7 +98,7 @@ impl ParamWidgetBase {
     /// `Params` object to the parameter you want to display a widget for. Parameter changes are
     /// handled by emitting [`ParamEvent`][super::ParamEvent]s which are automatically handled by
     /// the VIZIA wrapper.
-    pub fn new<L, Params, P, FMap>(cx: &mut Context, params: L, params_to_param: FMap) -> Self
+    pub fn new<L, Params, P, FMap>(cx: &Context, params: L, params_to_param: FMap) -> Self
     where
         L: Lens<Target = Params> + Clone,
         Params: 'static,