Pull in role select component from new design UI

packages/builder/src/components/common/RoleSelect.svelte

@@ -0,0 +1,24 @@
+<script>
+  import { Select } from "@budibase/bbui"
+  import { roles } from "stores/backend"
+  import { RoleUtils } from "@budibase/frontend-core"
+
+  export let value
+  export let error
+  export let placeholder = null
+  export let autoWidth = false
+  export let quiet = false
+</script>
+
+<Select
+  {autoWidth}
+  {quiet}
+  bind:value
+  on:change
+  options={$roles}
+  getOptionLabel={role => role.name}
+  getOptionValue={role => role._id}
+  getOptionColour={role => RoleUtils.getRoleColour(role._id)}
+  {placeholder}
+  {error}
+/>