allow saving only for injected web3

libs/remix-ui/run-tab/src/lib/components/universalDappUI.tsx

@@ -1,5 +1,5 @@
 // eslint-disable-next-line no-use-before-define
-import React, {useEffect, useState} from 'react'
+import React, {useEffect, useState, useRef} from 'react'
 import {FormattedMessage, useIntl} from 'react-intl'
 import {UdappProps} from '../types'
 import {FuncABI} from '@remix-project/core-plugin'
@@ -23,6 +23,7 @@ export function UniversalDappUI(props: UdappProps) {
   const [calldataValue, setCalldataValue] = useState<string>('')
   const [evmBC, setEvmBC] = useState(null)
   const [instanceBalance, setInstanceBalance] = useState(0)
+  const env = useRef()
 
   const getVersion = () => window.location.href.split('=')[5].split('+')[0].split('-')[1]
 
@@ -57,6 +58,13 @@ export function UniversalDappUI(props: UdappProps) {
     }
   }, [props.instance.balance])
 
+  useEffect(() => {
+    const getEnv = async () => {
+      env.current = await props.plugin.call('blockchain', 'getProvider')
+    }
+    getEnv()
+  }, [])
+
   const sendData = () => {
     setLlIError('')
     const fallback = txHelper.getFallbackInterface(contractABI)
@@ -267,7 +275,7 @@ export function UniversalDappUI(props: UdappProps) {
           <div className="btn" style={{padding: '0.15rem'}}>
             <CopyToClipboard tip={intl.formatMessage({id: 'udapp.copy'})} content={address} direction={'top'} />
           </div>
-          { !props.isSavedContract ? ( <div className="btn" style={{padding: '0.15rem', marginLeft: '-0.5rem'}}>
+          { !props.isSavedContract && env.current === 'injected' ? ( <div className="btn" style={{padding: '0.15rem', marginLeft: '-0.5rem'}}>
             <CustomTooltip placement="top" tooltipClasses="text-nowrap" tooltipId="udapp_udappSaveTooltip" tooltipText={<FormattedMessage id="udapp.tooltipText14" />}>
               <i className="far fa-save p-2" aria-hidden="true" data-id="universalDappUiUdappSave" onClick={saveContract}></i>
             </CustomTooltip>