Add extra linting (#4977)

* Add extra linting

Added extra linting for some code styles.
Also added the Rust Edition 2024 lints.

Closes #4974

Signed-off-by: BlackDex <black.dex@gmail.com>

* Adjusted according to comments

Signed-off-by: BlackDex <black.dex@gmail.com>

---------

Signed-off-by: BlackDex <black.dex@gmail.com>

src/api/core/two_factor/email.rs

@@ -292,7 +292,7 @@ impl EmailTokenData {
     }
 
     pub fn from_json(string: &str) -> Result<EmailTokenData, Error> {
-        let res: Result<EmailTokenData, crate::serde_json::Error> = serde_json::from_str(string);
+        let res: Result<EmailTokenData, serde_json::Error> = serde_json::from_str(string);
         match res {
             Ok(x) => Ok(x),
             Err(_) => err!("Could not decode EmailTokenData from string"),

src/api/core/two_factor/protected_actions.rs

@@ -42,7 +42,7 @@ impl ProtectedActionData {
     }
 
     pub fn from_json(string: &str) -> Result<Self, Error> {
-        let res: Result<Self, crate::serde_json::Error> = serde_json::from_str(string);
+        let res: Result<Self, serde_json::Error> = serde_json::from_str(string);
         match res {
             Ok(x) => Ok(x),
             Err(_) => err!("Could not decode ProtectedActionData from string"),

src/api/core/two_factor/yubikey.rs

@@ -49,7 +49,7 @@ fn parse_yubikeys(data: &EnableYubikeyData) -> Vec<String> {
     data_keys.iter().filter_map(|e| e.as_ref().cloned()).collect()
 }
 
-fn jsonify_yubikeys(yubikeys: Vec<String>) -> serde_json::Value {
+fn jsonify_yubikeys(yubikeys: Vec<String>) -> Value {
     let mut result = Value::Object(serde_json::Map::new());
 
     for (i, key) in yubikeys.into_iter().enumerate() {