Fix device detection when an app is opened

src/internals/usb/devices.js

@@ -38,8 +38,15 @@ export default (send: IPCSend) => ({
 async function isValidHIDDevice(devicePath: string): Promise<boolean> {
   try {
     const transport: Transport<*> = await CommNodeHid.open(devicePath)
-    await transport.send(...APDUS.GET_FIRMWARE)
-    return true
+    try {
+      await transport.send(...APDUS.GET_FIRMWARE)
+      return true
+    } catch (err) {
+      // if we are inside an app, the first call should have failed,
+      // so we try this one
+      await transport.send(...APDUS.GET_FIRMWARE_FALLBACK)
+      return true
+    }
   } catch (err) {
     return false
   }

src/internals/usb/manager/constants.js

@@ -4,4 +4,7 @@ export const BASE_SOCKET_URL = 'ws://api.ledgerwallet.com/update/install'
 // List of APDUS
 export const APDUS = {
   GET_FIRMWARE: [0xe0, 0x01, 0x00, 0x00],
+  // we dont have common call that works inside app & dashboard
+  // TODO: this should disappear.
+  GET_FIRMWARE_FALLBACK: [0xe0, 0xc4, 0x00, 0x00],
 }