fix unnecessary cast lint (#2596)

* fix clippy lints on Windows

* fix lints on other platforms

* a couple more

* again

* don't know what's goging on anymore

* fix examples

* comon

* how about now?

* this is getting annoying

* hmmm

* explicitly set a type

* 😢

* don't cast on x64 targets

* apply code review requests

* fix attributes on expressions

* fix ios

src/platform_impl/ios/monitor.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::unnecessary_cast)]
+
 use std::{
     collections::{BTreeSet, VecDeque},
     fmt,

src/platform_impl/ios/view.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::unnecessary_cast)]
+
 use objc2::foundation::NSObject;
 use objc2::{class, declare_class, msg_send, ClassType};
 
@@ -105,7 +107,6 @@ declare_class!(
                         && scale_factor > 0.0,
                     "invalid scale_factor set on UIView",
                 );
-                let scale_factor = scale_factor as f64;
                 let bounds: CGRect = msg_send![self, bounds];
                 let screen: id = msg_send![window, screen];
                 let screen_space: id = msg_send![screen, coordinateSpace];

src/platform_impl/ios/window.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::unnecessary_cast)]
+
 use std::{
     collections::VecDeque,
     ops::{Deref, DerefMut},