apply margin left to link icons

src/client/js/components/Admin/SlackIntegration/CustomBotWithProxySettings.jsx

@@ -72,7 +72,7 @@ const CustomBotWithProxySettings = (props) => {
   return (
     <>
       <h2 className="admin-setting-header mb-2">{t('admin:slack_integration.custom_bot_with_proxy_integration')}
-        <i className="fa fa-external-link btn-link" aria-hidden="true"></i>
+        <i className="fa fa-external-link btn-link ml-2" aria-hidden="true"></i>
       </h2>
 
       {slackAppIntegrations.length !== 0 && (

src/client/js/components/Admin/SlackIntegration/CustomBotWithoutProxySettings.jsx

@@ -51,7 +51,7 @@ const CustomBotWithoutProxySettings = (props) => {
   return (
     <>
       <h2 className="admin-setting-header">{t('admin:slack_integration.custom_bot_without_proxy_integration')}
-        <i className="fa fa-external-link btn-link" aria-hidden="true"></i>
+        <i className="fa fa-external-link btn-link ml-2" aria-hidden="true"></i>
       </h2>
 
       <CustomBotWithoutProxyConnectionStatus

src/client/js/components/Admin/SlackIntegration/OfficialBotSettings.jsx

@@ -78,7 +78,7 @@ const OfficialBotSettings = (props) => {
   return (
     <>
       <h2 className="admin-setting-header">{t('admin:slack_integration.official_bot_integration')}
-        <i className="fa fa-external-link btn-link" aria-hidden="true"></i>
+        <i className="fa fa-external-link btn-link ml-2" aria-hidden="true"></i>
       </h2>
       <CustomBotWithProxyConnectionStatus
         siteName={siteName}