[fenix] No issue: null check context on permission granted (https://github.com/mozilla-mobile/fenix/pull/2104)

app/src/main/java/org/mozilla/fenix/search/SearchFragment.kt

@@ -257,10 +257,12 @@ class SearchFragment : Fragment(), BackHandler {
             REQUEST_CODE_CAMERA_PERMISSIONS -> qrFeature.withFeature {
                 it.onPermissionsResult(permissions, grantResults)
 
-                if (context!!.isPermissionGranted(Manifest.permission.CAMERA)) {
+                context?.let { context: Context ->
+                    if (context.isPermissionGranted(Manifest.permission.CAMERA)) {
                         permissionDidUpdate = true
                     }
                 }
+            }
             else -> super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         }
     }