Replace CBManagerState since it’s not available on iOS < 10

ios/PermissionHandlers/BluetoothPeripheral/RNPermissionHandlerBluetoothPeripheral.m

 }
 
 - (void)peripheralManagerDidUpdateState:(nonnull CBPeripheralManager *)peripheral {
-  CBManagerState state = peripheral.state;
+  int state = peripheral.state;
 
   [_peripheralManager stopAdvertising];
   _peripheralManager = nil;
 
   switch (state) {
-    case CBManagerStatePoweredOn:
-      return [self checkWithResolver:_resolve withRejecter:_reject];
     case CBManagerStatePoweredOff:
     case CBManagerStateResetting:
     case CBManagerStateUnsupported:
       return _resolve(RNPermissionStatusNotDetermined);
     case CBManagerStateUnauthorized:
       return _resolve(RNPermissionStatusDenied);
+    case CBManagerStatePoweredOn:
+      return [self checkWithResolver:_resolve withRejecter:_reject];
   }
 }