fix(lint): satisfy react-hooks immutability + set-state-in-effect rules

The new react-compiler-aware lint rules flag legitimate Three.js
external-system synchronizations (texture/uniform/AnimationAction
mutations) and a derived-state reset in PylonDownedPylon. None of
these are bugs — they're the canonical way to bridge React state
with imperative graphics objects — so they're annotated with
targeted eslint-disable comments and a small reorder.

- EbikeGPSMap: disable on uniform/texture sync effects
- EbikeSpeedmeter: disable around the canvas+texture useFrame sync
- PylonFarmerNPC: disable around playAnim (drei AnimationAction
  fadeIn/fadeOut/setLoop/clampWhenFinished) and the effects/frame
  callbacks that invoke it
- PylonDownedPylon: move showUpright/isPylonInteractive declarations
  above the useFrame that reads them (fixes access-before-declared)
  and disable set-state-in-effect on the per-step isRaised reset

src/components/ebike/EbikeGPSMap.tsx

@@ -181,6 +181,8 @@ export const EbikeGPSMap: React.FC<EbikeGPSMapProps> = ({
 
   // Sync texture into uniform when it changes (canvas resize)
   useEffect(() => {
+    // External Three.js material uniform sync — intentional side effect.
+    // eslint-disable-next-line react-hooks/immutability
     shaderMat.uniforms.map.value = texture;
   }, [shaderMat, texture]);
 
@@ -196,6 +198,8 @@ export const EbikeGPSMap: React.FC<EbikeGPSMapProps> = ({
   // Resize the canvas whenever canvasSize changes (texture declared above)
   useEffect(() => {
     Object.assign(offscreenCanvas, { width: canvasSize, height: canvasSize });
+    // External Three.js texture invalidation — intentional side effect.
+    // eslint-disable-next-line react-hooks/immutability
     texture.needsUpdate = true;
   }, [canvasSize, offscreenCanvas, texture]);