various: fix auto-fixable clippy lints

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I523cd8163d3995efa2f1e8475bbf87316a6a6964

src/platform/curseforge.rs

@@ -32,7 +32,7 @@ impl CurseForgePlatform {
     }
   }
 
-  pub fn with_client(client: Arc<Client>, api_key: Option<String>) -> Self {
+  pub const fn with_client(client: Arc<Client>, api_key: Option<String>) -> Self {
     Self { client, api_key }
   }
 

src/platform/modrinth.rs

@@ -24,7 +24,7 @@ impl ModrinthPlatform {
     }
   }
 
-  pub fn with_client(client: Arc<Client>) -> Self {
+  pub const fn with_client(client: Arc<Client>) -> Self {
     Self { client }
   }
 

src/utils/flexver.rs

@@ -187,7 +187,7 @@ impl Iterator for VersionComparisonIterator {
 
   fn next(&mut self) -> Option<Self::Item> {
     let item = (self.left.pop_front(), self.right.pop_front());
-    if let (None, None) = item {
+    if item == (None, None) {
       None
     } else {
       Some(item)