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/ai_onboarding/src/agent_api_keys_onboarding.rs

@@ -33,7 +33,7 @@ impl ApiKeysWithProviders {
             .filter(|provider| {
                 provider.is_authenticated(cx) && provider.id() != ZED_CLOUD_PROVIDER_ID
             })
-            .map(|provider| (provider.icon(), provider.name().0.clone()))
+            .map(|provider| (provider.icon(), provider.name().0))
             .collect()
     }
 }

crates/ai_onboarding/src/agent_panel_onboarding_content.rs

@@ -50,7 +50,7 @@ impl AgentPanelOnboarding {
             .filter(|provider| {
                 provider.is_authenticated(cx) && provider.id() != ZED_CLOUD_PROVIDER_ID
             })
-            .map(|provider| (provider.icon(), provider.name().0.clone()))
+            .map(|provider| (provider.icon(), provider.name().0))
             .collect()
     }
 }