Cleans up the WASM environment handling.

Instead of passing the entire script resolver as a pointer to the WebAssemblyEnv, we now have split off the data actually relevant to the environment into it's own class, which is stored inside of an Arc.

src/script_implementations/wasm/mod.rs

@@ -10,6 +10,7 @@ pub mod script_resolver;
 /// us to not call a function if we do not need to.
 #[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
 #[allow(missing_docs)]
+#[allow(clippy::missing_docs_in_private_items)]
 pub enum WebAssemblyScriptCapabilities {
     None = 0,
     Initialize = 1,