hopefully fix remaining cppcheck issues (#9745)

src/graphics/TFTDisplay.cpp

@@ -1209,8 +1209,8 @@ void TFTDisplay::display(bool fromBlank)
     bool somethingChanged = false;
 
     // Store colors byte-reversed so that TFT_eSPI doesn't have to swap bytes in a separate step
-    colorTftMesh = (TFT_MESH >> 8) | ((TFT_MESH & 0xFF) << 8);
-    colorTftBlack = (TFT_BLACK >> 8) | ((TFT_BLACK & 0xFF) << 8);
+    colorTftMesh = __builtin_bswap16(TFT_MESH);
+    colorTftBlack = __builtin_bswap16(TFT_BLACK);
 
     y = 0;
     while (y < displayHeight) {

src/graphics/niche/InkHUD/Applets/User/FavoritesMap/FavoritesMapApplet.cpp

@@ -73,7 +73,7 @@ ProcessMessage InkHUD::FavoritesMapApplet::handleReceived(const meshtastic_MeshP
         }
     } else {
         // For non-local packets, this applet only reacts to favorited nodes.
-        meshtastic_NodeInfoLite *sender = nodeDB->getMeshNode(mp.from);
+        const meshtastic_NodeInfoLite *sender = nodeDB->getMeshNode(mp.from);
         if (!sender || !sender->is_favorite)
             return ProcessMessage::CONTINUE;