Only set OAuth user-agent for GitHub (Fixes #1816)

packages/insomnia-app/app/network/o-auth-2/misc.js

@@ -99,11 +99,18 @@ export function authorizeUserInWindow(
       _parseUrl(url);
     });
 
+    const options = {};
+
+    // Force user-agent for GitHub until we update Chromium version. Note, we don't do this for
+    // everything because it breaks things. https://github.com/getinsomnia/insomnia/issues/1816
+    if (url.includes('github.com')) {
+      options.userAgent =
+        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, ' +
+        'like Gecko) Chrome/78.0.3904.108 Safari/537.36';
+    }
+
     // Show the window to the user after it loads
     child.on('ready-to-show', child.show.bind(child));
-    child.loadURL(url, {
-      userAgent:
-        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36',
-    });
+    child.loadURL(url, options);
   });
 }