Default to 'Run on Click' for Linux embeds (codesandbox#474)

Author: CompuIves

packages/common/url.js

@@ -52,7 +52,11 @@ export const getSandboxOptions = (url: string) => {
   result.enableEslint = url.includes('eslint=1');
   result.forceRefresh = url.includes('forcerefresh=1');
   result.expandDevTools = url.includes('expanddevtools=1');
-  result.runOnClick = url.includes('runonclick=1');
+  result.runOnClick = url.includes('runonclick=0')
+    ? false
+    : url.includes('runonclick=1') ||
+      navigator.appVersion.indexOf('X11') !== -1 ||
+      navigator.appVersion.indexOf('Linux') !== -1;
 
   return result;
 };