rename delay -> frameDelay

Avoiding name collisions with the 'delay' function.

wled00/FX_fcn.cpp

@@ -1329,7 +1329,7 @@ void WS2812FX::service() {
     if (nowUp > seg.next_time || _triggered || (doShow && seg.mode == FX_MODE_STATIC))
     {
       doShow = true;
-      unsigned delay = FRAMETIME;
+      unsigned frameDelay = FRAMETIME;
 
       if (!seg.freeze) { //only run effect function if not frozen
         int oldCCT = BusManager::getSegmentCCT(); // store original CCT value (actually it is not Segment based)
@@ -1349,7 +1349,7 @@ void WS2812FX::service() {
         // overwritten by later effect. To enable seamless blending for every effect, additional LED buffer
         // would need to be allocated for each effect and then blended together for each pixel.
         [[maybe_unused]] uint8_t tmpMode = seg.currentMode();  // this will return old mode while in transition
-        delay = (*_mode[seg.mode])();         // run new/current mode
+        frameDelay = (*_mode[seg.mode])();         // run new/current mode
 #ifndef WLED_DISABLE_MODE_BLEND
         if (modeBlending && seg.mode != tmpMode) {
           Segment::tmpsegd_t _tmpSegData;
@@ -1358,16 +1358,16 @@ void WS2812FX::service() {
           _virtualSegmentLength = seg.virtualLength(); // update SEGLEN (mapping may have changed)
           unsigned d2 = (*_mode[tmpMode])();  // run old mode
           seg.restoreSegenv(_tmpSegData);     // restore mode state (will also update transitional state)
-          delay = MIN(delay,d2);              // use shortest delay
+          frameDelay = min(frameDelay,d2);              // use shortest delay
           Segment::modeBlend(false);          // unset semaphore
         }
 #endif
         seg.call++;
-        if (seg.isInTransition() && delay > FRAMETIME) delay = FRAMETIME; // force faster updates during transition
+        if (seg.isInTransition() && frameDelay > FRAMETIME) frameDelay = FRAMETIME; // force faster updates during transition
         BusManager::setSegmentCCT(oldCCT); // restore old CCT for ABL adjustments
       }
 
-      seg.next_time = nowUp + delay;
+      seg.next_time = nowUp + frameDelay;
     }
     _segment_index++;
   }