fix crash on first start

Author: johan12345

app/src/main/java/net/vonforst/evmap/fragment/MapFragment.kt

@@ -341,6 +341,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MenuProvider {
                     binding.appLogo.root.animate().alpha(0f).apply {
                         startDelay = 1000
                     }.withEndAction {
+                        if (_binding == null) return@withEndAction
                         binding.appLogo.root.visibility = View.GONE
                         binding.search.visibility = View.VISIBLE
                         binding.search.alpha = 0f