update provider on cancel

apps/remix-ide/src/app.js

@@ -275,6 +275,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const networkModule = new NetworkModule(blockchain)
   // ----------------- represent the current selected web3 provider ----
   const web3Provider = new Web3ProviderModule(blockchain)
+  const hardhatProvider = new HardhatProvider(blockchain)
   // ----------------- convert offset to line/column service -----------
   const offsetToLineColumnConverter = new OffsetToLineColumnConverter()
   registry.put({ api: offsetToLineColumnConverter, name: 'offsettolinecolumnconverter' })
@@ -297,7 +298,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   makeUdapp(blockchain, compilersArtefacts, (domEl) => terminal.logHtml(domEl))
 
   const contextualListener = new ContextualListener({ editor })
-  const hardhatProvider = new HardhatProvider()
 
   engine.register([
     contentImport,

apps/remix-ide/src/app/tabs/hardhat-provider.js

@@ -11,15 +11,16 @@ const profile = {
 }
 
 export default class HardhatProvider extends Plugin {
-  constructor () {
+  constructor (blockchain) {
     super(profile)
-    this.provider = null
+    this.blockchain = blockchain
   }
 
   sendAsync (data) {
     return new Promise((resolve, reject) => {
-      if (this.provider) {
-        this.provider[this.provider.sendAsync ? 'sendAsync' : 'send'](data, (error, message) => {
+      const provider = this.blockchain.web3().currentProvider
+      if (provider) {
+        provider[provider.sendAsync ? 'sendAsync' : 'send'](data, (error, message) => {
           if (error) return reject(error)
           resolve(message)
         })

apps/remix-ide/src/app/tabs/runTab/settings.js

@@ -294,7 +294,7 @@ class SettingsUI {
   hardhatProviderDialogBody () {
     return yo`
       <div class="">
-        Hardhat Provider Endpoint
+        Hardhat JSON-RPC Endpoint
       </div>
     `
   }