fix(flame_3d): Use float for numLights uniform to fix GLES crash

.github/.cspell/gamedev_dictionary.txt

@@ -12,6 +12,7 @@ bitfield # data structure consisting of adjacent bits
 broadphase # common division of collision detection between broad and narrow phases
 cathetus # the non-hypotenuse sides of a right triangle
 clusterized # past tense of clusterize
+gles # OpenGL for Embedded Systems
 glsl # OpenGL Shading Language
 gltf # OpenGL Transmission Format, a file format for 3D models
 goldens # test files used as reference for Golden Tests

packages/flame_3d/lib/src/resources/light/lighting_info.dart

@@ -21,7 +21,9 @@ class LightingInfo {
       throw Exception('At most 3 point lights are allowed');
     }
 
-    shader.setUint('LightsInfo.numLights', numLights);
+    // NOTE: using floats because Android GLES does not support integer uniforms
+    // Refer to https://github.com/flutter/engine/pull/55329
+    shader.setFloat('LightsInfo.numLights', numLights.toDouble());
     for (final (index, light) in pointLights.indexed) {
       light.apply(index, shader);
     }

packages/flame_3d/shaders/spatial_material.frag

@@ -31,7 +31,7 @@ uniform AmbientLight {
 } ambientLight;
 
 uniform LightsInfo {
-  uint numLights;
+  float numLights;
 } lightsInfo;
 
 // uniform Light {