Fix preset variable

Author: Aircoookie

wled00/bus_manager.h

@@ -89,7 +89,7 @@ class Bus {
   }
 
   virtual uint16_t getLength() {
-    return 1; // is this ok? shouldn't it be 0 in virtual function?
+    return 1;
   }
 
   virtual void setColorOrder() {}

wled00/data/settings_sync.htm

@@ -99,7 +99,6 @@ <h3>Realtime</h3>
 <select name=DI onchange="SP(); adj();">
 <option value=5568>E1.31 (sACN)</option>
 <option value=6454>Art-Net</option>
-<!--option value=4048>DDP</option-->
 <option value=0 selected>Custom port</option>
 </select><br>
 <div id=xp>Port: <input name="EP" type="number" min="1" max="65535" value="5568" class="d5" required><br></div>

wled00/wled.h

@@ -564,7 +564,7 @@ WLED_GLOBAL JsonDocument* fileDoc;
 WLED_GLOBAL bool doCloseFile _INIT(false);
 
 // presets
-WLED_GLOBAL int8_t currentPreset _INIT(-1);
+WLED_GLOBAL int16_t currentPreset _INIT(-1);
 
 WLED_GLOBAL byte errorFlag _INIT(0);