treewide: replace std hashers with rustc_hash alternatives; fix clippy

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I766c36cb53d3d7f9e85b91a67c4131a66a6a6964

crates/pinakes-plugin-api/src/wasm.rs

@@ -1,7 +1,6 @@
 //! WASM bridge types and helpers for plugin communication
 
-use std::collections::HashMap;
-
+use rustc_hash::FxHashMap;
 use serde::{Deserialize, Serialize};
 
 /// Memory allocation info for passing data between host and plugin
@@ -93,7 +92,7 @@ pub struct LogMessage {
   pub level:   LogLevel,
   pub target:  String,
   pub message: String,
-  pub fields:  HashMap<String, String>,
+  pub fields:  FxHashMap<String, String>,
 }
 
 /// HTTP request parameters
@@ -101,7 +100,7 @@ pub struct LogMessage {
 pub struct HttpRequest {
   pub method:  String,
   pub url:     String,
-  pub headers: HashMap<String, String>,
+  pub headers: FxHashMap<String, String>,
   pub body:    Option<Vec<u8>>,
 }
 
@@ -109,7 +108,7 @@ pub struct HttpRequest {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct HttpResponse {
   pub status:  u16,
-  pub headers: HashMap<String, String>,
+  pub headers: FxHashMap<String, String>,
   pub body:    Vec<u8>,
 }