G2: Effect › Artistic › Dry Brush raster filter

Squashed from #3026 onto main.

crates/engine/src/tests_rasterfilters.rs

@@ -31,8 +31,9 @@ const BRUSH_STROKES: [(&str, &str); 8] = [
 ];
 
 /// Effect › Artistic, at their defaults.
-const ARTISTIC: [(&str, &str); 8] = [
+const ARTISTIC: [(&str, &str); 9] = [
     ("artistic.cutout", "{}"),
+    ("artistic.dryBrush", "{}"),
     ("artistic.filmGrain", "{}"),
     ("artistic.neonGlow", "{}"),
     ("artistic.plasticWrap", "{}"),

crates/engine/tests/command_sweep.rs

@@ -370,6 +370,7 @@ fn structured_junk() {
         ("effect.apply", json!({"effect": "artistic.sponge", "params": {"brushSize": -1e308, "definition": 1e308, "smoothness": null}})),
         ("effect.apply", json!({"effect": "artistic.watercolor", "params": {"brushDetail": "1e999", "shadowIntensity": -1, "texture": 1e308}})),
         ("effect.apply", json!({"effect": "artistic.cutout", "params": {"levels": 1e308, "edgeSimplicity": "NaN", "edgeFidelity": -1e308}})),
+        ("effect.apply", json!({"effect": "artistic.dryBrush", "params": {"brushSize": -1e308, "brushDetail": "NaN", "texture": 1e308}})),
         ("effect.apply", json!({"effect": "artistic.neonGlow", "params": {"glowSize": -1e308, "glowBrightness": "1e999", "color": [1]}})),
         ("effect.apply", json!({"effect": "artistic.posterEdges", "params": {"edgeThickness": 1e308, "edgeIntensity": [], "posterization": -7}})),
         ("effect.apply", json!({"effect": "sketch.chrome", "params": {"detail": -1e308, "smoothness": "NaN"}})),