fix(ble): Add checks for BLE initialized (#12271)

* fix(ble): Add checks for BLE initialized

* ci(pre-commit): Apply automatic fixes

---------

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

Author: lucasssvaz

libraries/BLE/examples/Server/Server.ino

@@ -18,7 +18,11 @@ void setup() {
   Serial.begin(115200);
   Serial.println("Starting BLE work!");
 
-  BLEDevice::init("Long name works now");
+  if (!BLEDevice::init("BLE Server Example")) {
+    Serial.println("BLE initialization failed!");
+    return;
+  }
+
   BLEServer *pServer = BLEDevice::createServer();
   BLEService *pService = pServer->createService(SERVICE_UUID);
   BLECharacteristic *pCharacteristic =