fix(studio): resolve iOS HEAL auto-reload and grey blob with fast harmonic inpaint

docker/frontend/shared/utils/heal.ts

@@ -109,7 +109,7 @@ half4 main(float2 pos) {
   if (m <= 0.0) return c;
   half4 f = fill.eval(pos);
   half3 here = c.a > 0.0001 ? c.rgb / c.a : c.rgb;
-  half3 made = f.a > 0.05 ? f.rgb / f.a : here;
+  half3 made = f.a > 0.001 ? f.rgb / f.a : here;
   return half4(mix(here, made, m) * c.a, c.a);
 }
 `;