fix: version string trim

Author: rednblkx

main/HKServices.cpp

@@ -56,7 +56,8 @@ HomeKitLock::NFCAIS::NFCAIS(const espConfig::misc_config_t& config) {
     new Characteristic::Model("HomeKey-ESP32");
     new Characteristic::Name(config.deviceName.c_str());
     std::string app_desc = esp_app_get_description()->version;
-    new Characteristic::FirmwareRevision(app_desc.erase(app_desc.erase(0,1).find_first_of("-")).c_str());
+    app_desc.erase(0, 1);
+    new Characteristic::FirmwareRevision(app_desc.c_str());
     uint8_t mac[6];
     esp_read_mac(mac, ESP_MAC_BT);
     const std::string macStr = fmt::format("HK-{:02X}{:02X}{:02X}{:02X}", mac[2], mac[3], mac[4], mac[5]);