fix: update default project with internal buffer swap

default/frag7.glsl

@@ -2,9 +2,9 @@
 
 // A+B
 // ------------
-// IN: 9 (FX A)
-// IN: 10 (FX B)
-// OUT: 11 (MFX)
+// IN: 7 (FX A)
+// IN: 8 (FX B)
+// OUT: 9 (MFX)
 
 in vec2 vUV;
 out vec4 fragColor;
@@ -13,8 +13,8 @@ out vec4 fragColor;
 #include inc_functions.glsl
 
 uniform int iDemo;
-uniform sampler2D iTex9;
-uniform sampler2D iTex10;
+uniform sampler2D iTex7;
+uniform sampler2D iTex8;
 uniform int iSeed7;
 uniform vec3 iGroup3_1[2];
 
@@ -22,8 +22,8 @@ void main() {
     float mix_value = magic(iGroup3_1[1].xy, vec3(1, 0, 0), iSeed7);
     bool mix_type = magic_trigger(vec3(iGroup3_1[0].x, 0, 0), iSeed7 + 10);
 
-    vec4 color_a = texture(iTex9, vUV);
-    vec4 color_b = texture(iTex10, vUV);
+    vec4 color_a = texture(iTex7, vUV);
+    vec4 color_b = texture(iTex8, vUV);
 
     float k = mean(color_a);