Fix rgba. Update manfest id.

Author: treeform

figma_plugin/manifest.json

@@ -2,5 +2,5 @@
   "name": "Fidget Export",
   "api": "1.0.0",
   "main": "code.js",
-  "id": "856571767908827968"
+  "id": "945866846468157120"
 }

src/fidget/opengl/formatflippy.nim

@@ -81,7 +81,7 @@ proc save*(flippy: Flippy, filePath: string) =
     # TODO Talk to Ryan about format data compression.
     var s = newStringStream()
     for c in mip.data:
-      s.write(c.toStraightAlpha())
+      s.write(c.rgba())
     s.setPosition(0)
     var stringData = s.readAll()
     var zipped = compress(stringData)