Make add mac global

Complements #2024

esphome/nspanel_esphome_core.yaml

@@ -1713,24 +1713,29 @@ text_sensor:
     internal: false
     disabled_by_default: false
     lambda: |-
+      return {"${name}"};
+    filters:
+      - lambda: |-
           #ifdef NSPANEL_HA_BLUEPRINT_PREBUILT
-      std::string suffix;
+          std::string suffix = "00ERROR";  // Default suffix in case of an error
           uint8_t mac[6] = {0,0,0,0,0,0};
-      esp_read_mac(mac, ESP_MAC_WIFI_STA);
-      for (int i = 3; i < 6; ++i) {
+          if (esp_read_mac(mac, ESP_MAC_WIFI_STA) == ESP_OK) {
+            suffix.clear();  // Clear the default error suffix
+            for (int i = 3; i < 6; ++i) {  // Use last 3 bytes of MAC
               char hex[3];
               snprintf(hex, sizeof(hex), "%02X", mac[i]);
               suffix += hex;
             }
-      return {"${name}" + "-" + suffix};
+          }
+          // Proceed with suffix (either MAC-based or default error indicator)
+          const std::string raw_name = (x + "-" + suffix);
           #else
-      return {"${name}"};
+          const std::string raw_name = x;
           #endif
-    filters:
-      - lambda: |-
+
           std::string result;
           bool last_was_underscore = false;
-          for (char& c : x) {
+          for (char& c : raw_name) {
             if (isalnum(c)) {
               result += tolower(c);  // Add alphanumeric characters as lowercase
               last_was_underscore = false;