chore(lee,lez): fix pre-existing rustfmt violations (#776)

marvin/incremental-updates-2 was not cargo +nightly fmt --check clean;
these files had drifted since the last fmt pass (mostly unwrapped
long import lists). No functional changes.

test_programs/guest/src/bin/pinata_cooldown.rs

@@ -137,6 +137,9 @@ fn main() {
     .write();
 }
 
-fn update_from_diff(_pre_state: Account, diff_data: Data) -> Result<Data, std::convert::Infallible> {
+fn update_from_diff(
+    _pre_state: Account,
+    diff_data: Data,
+) -> Result<Data, std::convert::Infallible> {
     Ok(diff_data)
 }