Remove some redundant entity clones (#36274)

`cx.entity()` already returns an owned entity, so there is no need for
these clones.

Release Notes:

- N/A

crates/agent_ui/src/inline_assistant.rs

@@ -72,7 +72,7 @@ pub fn init(
         let Some(window) = window else {
             return;
         };
-        let workspace = cx.entity().clone();
+        let workspace = cx.entity();
         InlineAssistant::update_global(cx, |inline_assistant, cx| {
             inline_assistant.register_workspace(&workspace, window, cx)
         });