Fix noise rendering on mobiles

src/graphics/rendering/shaders/random-fs-100.glsl

@@ -1,6 +1,10 @@
 #version 100
 
-precision lowp float;
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+  precision highp float;
+#else
+  precision mediump float;
+#endif
 
 varying vec2 uvCoordinates;
 

src/graphics/rendering/shaders/random-fs.glsl

@@ -1,6 +1,6 @@
 #version 300 es
 
-precision lowp float;
+precision highp float;
 
 in vec2 uvCoordinates;