Curves: Replace `select_random` with `random_mask`

@@ -35,0 +53,4 @@
+      break;
+    default:
+      BLI_assert_unreachable();
+  }

@@ -35,0 +43,4 @@
+  RandomNumberGenerator rng{random_seed};
+  const auto next_bool_random_value = [&]() { return rng.get_float() <= probability; };
+
+  int64_t domain_size = curves.attributes().domain_size(selection_domain);

@@ -891,3 +891,3 @@
   for (Curves *curves_id : unique_curves) {
     CurvesGeometry &curves = curves_id->geometry.wrap();
-    select_random(curves, eAttrDomain(curves_id->selection_domain), uint32_t(seed), probability);
+    eAttrDomain selection_domain = eAttrDomain(curves_id->selection_domain);

@@ -894,0 +893,4 @@
+    eAttrDomain selection_domain = eAttrDomain(curves_id->selection_domain);
+
+    IndexMaskMemory memory;
+    IndexMask random_elements = random_mask(curves, selection_domain, seed, probability, memory);

@@ -894,0 +905,4 @@
+    if (selection.span.type().is<bool>()) {
+      index_mask::masked_fill(selection.span.typed<bool>(), false, random_elements);
+    }
+    if (selection.span.type().is<float>()) {