Nnnn feather fixes

- fixes feather not updating when size or visibility was changed.
- adds boolean isEnabled to keep the feather even if it is removed. When it is not enabled, it doesn't get exported for runtime.
- enables feathers on strokes

Diffs=
fcda031783 Nnnn feather fixes (#8924)

Co-authored-by: Alex Gibson <agibson.uk@gmail.com>
Co-authored-by: hernan <hernan@rive.app>

.rive_head

@@ -1 +1 @@
-6e30b9bb430926b63f0ed662b89250b033993c87
+fcda031783b4d7e5bf2d983081cfe76ff60b1f57

dev/defs/shapes/paint/feather.json

@@ -1,62 +1,72 @@
 {
-    "name": "Feather",
-    "key": {
-      "int": 533,
-      "string": "feather"
+  "name": "Feather",
+  "key": {
+    "int": 533,
+    "string": "feather"
+  },
+  "extends": "container_component.json",
+  "properties": {
+    "spaceValue": {
+      "type": "uint",
+      "initialValue": "0",
+      "key": {
+        "int": 748,
+        "string": "spacevalue"
+      },
+      "description": "The transform space for the offset."
+    },
+    "strength": {
+      "type": "double",
+      "initialValue": "12",
+      "animates": true,
+      "key": {
+        "int": 749,
+        "string": "strength"
+      },
+      "bindable": true
     },
-    "extends": "container_component.json",
-    "properties": {
-      "spaceValue": {
-        "type": "uint",
-        "initialValue": "0",
-        "key": {
-          "int": 748,
-          "string": "spacevalue"
-        },
-        "description": "The transform space for the offset."
+    "offsetX": {
+      "type": "double",
+      "initialValue": "0",
+      "animates": true,
+      "key": {
+        "int": 750,
+        "string": "offsetx"
       },
-      "strength": {
-        "type": "double",
-        "initialValue": "12",
-        "animates": true,
-        "key": {
-          "int": 749,
-          "string": "strength"
-        },
-        "bindable": true
+      "description": "X offset of the feather.",
+      "bindable": true
+    },
+    "offsetY": {
+      "type": "double",
+      "initialValue": "0",
+      "animates": true,
+      "key": {
+        "int": 751,
+        "string": "offsety"
       },
-      "offsetX": {
-        "type": "double",
-        "initialValue": "0",
-        "animates": true,
-        "key": {
-          "int": 750,
-          "string": "offsetx"
-        },
-        "description": "X offset of the feather.",
-        "bindable": true
+      "description": "Y offset of the feather.",
+      "bindable": true
+    },
+    "inner": {
+      "type": "bool",
+      "initialValue": "false",
+      "animates": true,
+      "key": {
+        "int": 752,
+        "string": "inner"
       },
-      "offsetY": {
-        "type": "double",
-        "initialValue": "0",
-        "animates": true,
-        "key": {
-          "int": 751,
-          "string": "offsety"
-        },
-        "description": "Y offset of the feather.",
-        "bindable": true
+      "description": "Whether it's an inner shadow.",
+      "bindable": true
+    },
+    "isEnabled": {
+      "type": "bool",
+      "initialValue": "true",
+      "key": {
+        "int": 755,
+        "string": "isenabled"
       },
-      "inner": {
-        "type": "bool",
-        "initialValue": "false",
-        "animates": true,
-        "key": {
-          "int": 752,
-          "string": "inner"
-        },
-        "description": "Whether it's an inner shadow.",
-        "bindable": true
-      }
+      "description": "Whether the feather is active or has been removed. We keep it to avoid losing the settings.",
+      "runtime": false
     }
-  }
+  }
+}