chore: Another round of style lints fixes (#17519)

Closes #ISSUE

Release Notes:

- N/A

crates/collab/src/api/contributors.rs

@@ -30,7 +30,7 @@ struct CheckIsContributorParams {
 }
 
 impl CheckIsContributorParams {
-    fn as_contributor_selector(self) -> Result<ContributorSelector> {
+    fn into_contributor_selector(self) -> Result<ContributorSelector> {
         if let Some(github_user_id) = self.github_user_id {
             return Ok(ContributorSelector::GitHubUserId { github_user_id });
         }
@@ -54,7 +54,7 @@ async fn check_is_contributor(
     Extension(app): Extension<Arc<AppState>>,
     Query(params): Query<CheckIsContributorParams>,
 ) -> Result<Json<CheckIsContributorResponse>> {
-    let params = params.as_contributor_selector()?;
+    let params = params.into_contributor_selector()?;
 
     if RenovateBot::is_renovate_bot(&params) {
         return Ok(Json(CheckIsContributorResponse {

crates/collab/src/api/events.rs

@@ -1326,9 +1326,7 @@ impl ActionEventRow {
 }
 
 pub fn calculate_json_checksum(app: Arc<AppState>, json: &impl AsRef<[u8]>) -> Option<Vec<u8>> {
-    let Some(checksum_seed) = app.config.zed_client_checksum_seed.as_ref() else {
-        return None;
-    };
+    let checksum_seed = app.config.zed_client_checksum_seed.as_ref()?;
 
     let mut summer = Sha256::new();
     summer.update(checksum_seed);

crates/collab/src/api/extensions.rs

@@ -52,7 +52,7 @@ async fn get_extensions(
         let extension_id = filter.to_lowercase();
         let mut exact_match = None;
         extensions.retain(|extension| {
-            if extension.id.as_ref() == &extension_id {
+            if extension.id.as_ref() == extension_id {
                 exact_match = Some(extension.clone());
                 false
             } else {