🌲 Separate flag for jsx compilation

Per discussion w @pieterv we'd like to have a mode where we compile JSX 
separately, so splitting this flag into two variants.

compiler/packages/babel-plugin-react-forget/src/HIR/Environment.ts

@@ -104,6 +104,8 @@ const EnvironmentConfigSchema = z.object({
 
   // 🌲
   enableForest: z.boolean().default(false),
+  // <🌲>
+  enableForestJsx: z.boolean().default(false),
 
   /*
    * Enable memoization of JSX elements in addition to other types of values. When disabled,

compiler/packages/sprout/src/SproutTodoFilter.ts

@@ -423,6 +423,7 @@ const skipFilter = new Set([
 
   // TODO: 🌲
   "forest-basic",
+  "forest-basic-jsx",
 
   // TODO: we probably want to always skip these
   "rules-of-hooks/rules-of-hooks-0592bd574811",