just send the tx if "VM"

libs/remix-lib/src/execution/txRunnerWeb3.ts

@@ -101,16 +101,16 @@ export class TxRunnerWeb3 {
         // // @todo(#378) this should be removed when https://github.com/WalletConnect/walletconnect-monorepo/issues/334 is fixed
         callback(new Error('Gas estimation failed because of an unknown internal error. This may indicated that the transaction will fail.'))
       }
+      this._api.detectNetwork((errNetWork, network) => {
+        if (errNetWork) {
+          console.log(errNetWork)
+          return
+        }
+        err = network.name === 'VM' ? null : err // just send the tx if "VM"
         gasEstimationForceSend(err, () => {
           // callback is called whenever no error
           tx['gas'] = !gasEstimation ? gasLimit : gasEstimation
   
-        this._api.detectNetwork((err, network) => {
-          if (err) {
-            console.log(err)
-            return
-          }
-
           if (this._api.config.getUnpersistedProperty('doNotShowTransactionConfirmationAgain')) {
             return this._executeTx(tx, network, null, this._api, promptCb, callback)
           }
@@ -120,7 +120,6 @@ export class TxRunnerWeb3 {
           }, (error) => {
             callback(error)
           })
-        })
         }, () => {
           const blockGasLimit = this.currentblockGasLimit()
           // NOTE: estimateGas very likely will return a large limit if execution of the code failed
@@ -138,6 +137,7 @@ export class TxRunnerWeb3 {
           }
         })
       })      
+    })
   }
 }