perf(linter): use FxDashMap for module cache (#7522)

Same as #7521. Use `FxDashMap` instead of plain `DashMap` for module cache.

Author: overlookmotel

crates/oxc_linter/src/service/module_cache.rs

@@ -5,9 +5,11 @@ use std::{
 
 use dashmap::{mapref::one::Ref, DashMap};
 use oxc_semantic::ModuleRecord;
-use rustc_hash::FxHashMap;
+use rustc_hash::{FxBuildHasher, FxHashMap};
 use std::num::NonZeroUsize;
 
+type FxDashMap<K, V> = DashMap<K, V, FxBuildHasher>;
+
 /// `CacheState` and `CacheStateEntry` are used to fix the problem where
 /// there is a brief moment when a concurrent fetch can miss the cache.
 ///
@@ -26,7 +28,7 @@ enum CacheStateEntry {
 }
 
 /// Keyed by canonicalized path
-type ModuleMap = DashMap<Box<Path>, ModuleState>;
+type ModuleMap = FxDashMap<Box<Path>, ModuleState>;
 
 #[derive(Clone)]
 pub(super) enum ModuleState {