Fix Nightly Clippy Warnings (backport #18065) (#18070)

* chore: cargo +nightly clippy --fix -Z unstable-options

(cherry picked from commit 6514096a67)

# Conflicts:
#	core/src/banking_stage.rs
#	core/src/cost_model.rs
#	core/src/cost_tracker.rs
#	core/src/execute_cost_table.rs
#	core/src/replay_stage.rs
#	core/src/tvu.rs
#	ledger-tool/src/main.rs
#	programs/bpf_loader/build.rs
#	rbpf-cli/src/main.rs
#	sdk/cargo-build-bpf/src/main.rs
#	sdk/cargo-test-bpf/src/main.rs
#	sdk/src/secp256k1_instruction.rs

* chore: cargo fmt

(cherry picked from commit 789f33e8db)

* Updates BPF program assert_instruction_count tests.

(cherry picked from commit c1e03f3410)

# Conflicts:
#	programs/bpf/tests/programs.rs

* Resolve conflicts

Co-authored-by: Alexander Meißner <AlexanderMeissner@gmx.net>
Co-authored-by: Michael Vines <mvines@gmail.com>

client/src/rpc_cache.rs

@@ -31,7 +31,7 @@ impl LargestAccountsCache {
         &self,
         filter: &Option<RpcLargestAccountsFilter>,
     ) -> Option<(u64, Vec<RpcAccountBalance>)> {
-        self.cache.get(&filter).and_then(|value| {
+        self.cache.get(filter).and_then(|value| {
             if let Ok(elapsed) = value.cached_time.elapsed() {
                 if elapsed < Duration::from_secs(self.duration) {
                     return Some((value.slot, value.accounts.clone()));