fix: typos in src/ and subdirectories (#11727)

Found via codespell

src/ipc.rs

@@ -271,7 +271,7 @@ pub enum Data {
     CheckHwcodec,
     #[cfg(feature = "flutter")]
     VideoConnCount(Option<usize>),
-    // Although the key is not neccessary, it is used to avoid hardcoding the key.
+    // Although the key is not necessary, it is used to avoid hardcoding the key.
     WaylandScreencastRestoreToken((String, String)),
     HwCodecConfig(Option<String>),
     RemoveTrustedDevices(Vec<Bytes>),