Fix clippy::redundant_clone lint violations (#36558)

This removes around 900 unnecessary clones, ranging from cloning a few
ints all the way to large data structures and images.

A lot of these were fixed using `cargo clippy --fix --workspace
--all-targets`, however it often breaks other lints and needs to be run
again. This was then followed up with some manual fixing.

I understand this is a large diff, but all the changes are pretty
trivial. Rust is doing some heavy lifting here for us. Once I get it up
to speed with main, I'd appreciate this getting merged rather sooner
than later.

Release Notes:

- N/A

crates/language/src/language_settings.rs

@@ -199,7 +199,7 @@ impl LanguageSettings {
                 if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
                     rest.clone()
                 } else {
-                    vec![language_server.clone()]
+                    vec![language_server]
                 }
             })
             .collect::<Vec<_>>()
@@ -1793,7 +1793,7 @@ mod tests {
         assert!(!settings.enabled_for_file(&dot_env_file, &cx));
 
         // Test tilde expansion
-        let home = shellexpand::tilde("~").into_owned().to_string();
+        let home = shellexpand::tilde("~").into_owned();
         let home_file = make_test_file(&[&home, "test.rs"]);
         let settings = build_settings(&["~/test.rs"]);
         assert!(!settings.enabled_for_file(&home_file, &cx));