change rustfmt configuration

This change is fully automated, except the `rustfmt.toml` changes and
a few clippy directives to allow specific functions with too many lines
because they are longer now.

src/service/rooms/state_compressor/data.rs

@@ -11,5 +11,9 @@ pub(crate) struct StateDiff {
 
 pub(crate) trait Data: Send + Sync {
     fn get_statediff(&self, shortstatehash: u64) -> Result<StateDiff>;
-    fn save_statediff(&self, shortstatehash: u64, diff: StateDiff) -> Result<()>;
+    fn save_statediff(
+        &self,
+        shortstatehash: u64,
+        diff: StateDiff,
+    ) -> Result<()>;
 }