Removed service upload_tft

Please use this instead:
```yaml
service: esphome.xxxxx_upload_tft_url
data:
  url: "default"
```

nspanel_esphome_addon_upload_tft.yaml

@@ -37,20 +37,31 @@ button:
 
 api:
   services:
-      ##### SERVICE TO UPDATE THE HMI FILE ##############
-      - service: upload_tft
-        then:
-          - logger.log: "Service: upload_tft"
-          - lambda: |-
-              upload_tft->execute("${nextion_update_url}");
-
       ##### SERVICE TO UPDATE THE TFT FILE from URL #####
       - service: upload_tft_url
         variables:
           url: string
         then:
-          - logger.log: "Service: upload_tft_url"
           - lambda: |-
+              static const char *const TAG = "service.upload_tft_url";
+              ESP_LOGVV(TAG, "Starting...");
+
+              auto toLowerAndTrim(const std::string& input) -> std::string {
+                std::string result = input;
+                // Convert to lowercase
+                std::transform(result.begin(), result.end(), result.begin(), 
+                              [](unsigned char c){ return std::tolower(c); });
+
+                // Trim trailing spaces
+                auto endPos = result.find_last_not_of(" \t");
+                if (std::string::npos != endPos) {
+                    result = result.substr(0, endPos + 1);
+                }
+
+                return result;
+              };
+              std::string clean_url = toLowerAndTrim(url.c_str());
+              if ( clean_url.empty() or clean_url == "default") url = "${nextion_update_url}";
               upload_tft->execute(url.c_str());
 
 display: