chore: Fix several style lints (#17488)

It's not comprehensive enough to start linting on `style` group, but
hey, it's a start.

Release Notes:

- N/A

crates/feedback/src/feedback.rs

@@ -39,7 +39,7 @@ pub fn init(cx: &mut AppContext) {
         feedback_modal::FeedbackModal::register(workspace, cx);
         workspace
             .register_action(|_, _: &CopySystemSpecsIntoClipboard, cx| {
-                let specs = SystemSpecs::new(&cx);
+                let specs = SystemSpecs::new(cx);
 
                 cx.spawn(|_, mut cx| async move {
                     let specs = specs.await.to_string();
@@ -62,7 +62,7 @@ pub fn init(cx: &mut AppContext) {
                 cx.open_url(request_feature_url());
             })
             .register_action(move |_, _: &FileBugReport, cx| {
-                let specs = SystemSpecs::new(&cx);
+                let specs = SystemSpecs::new(cx);
                 cx.spawn(|_, mut cx| async move {
                     let specs = specs.await;
                     cx.update(|cx| {

crates/feedback/src/feedback_modal.rs

@@ -302,7 +302,7 @@ impl FeedbackModal {
         let http_client = zed_client.http_client();
         let feedback_endpoint = http_client.build_url("/api/feedback");
         let request = FeedbackRequestBody {
-            feedback_text: &feedback_text,
+            feedback_text,
             email,
             metrics_id,
             installation_id,