fix clippy warnings

Signed-off-by: Ryan Tate <[email protected]>

src/core/authorization_request/parameters.rs

@@ -215,9 +215,9 @@ impl Deref for Nonce {
     }
 }
 
-impl ToString for Nonce {
-    fn to_string(&self) -> String {
-        self.0.clone()
+impl std::fmt::Display for Nonce {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.0.fmt(f)
     }
 }
 

src/core/authorization_request/verification/did.rs

@@ -70,7 +70,7 @@ pub async fn verify_with_resolver(
         .await
         .context("unable to resolve key from verification method")?;
 
-    let _: Json = ssi_claims::jwt::decode_verify(&request_jwt, &*jwk)
+    let _: Json = ssi_claims::jwt::decode_verify(&request_jwt, &jwk)
         .context("request signature could not be verified")?;
 
     Ok(())

src/core/metadata/mod.rs

@@ -41,6 +41,11 @@ impl WalletMetadata {
         &self.2
     }
 
+    /// Returns whether the claim format is supported.
+    pub fn is_claim_format_supported(&self, designation: &ClaimFormatDesignation) -> bool {
+        self.vp_formats_supported().0.contains_key(designation)
+    }
+
     /// The static wallet metadata bound to `openid4vp:`:
     /// ```json
     /// {