infer mode only compiles component/hook decls

Forks the logic from Program.ts, letting us customize what
gets compiled.

compiler/packages/babel-plugin-react-forget/src/Entrypoint/Program.ts

@@ -374,7 +374,7 @@ export function compileProgram(
   }
 }
 
-export function shouldVisitNode(fn: BabelFn, pass: CompilerPass): boolean {
+function shouldVisitNode(fn: BabelFn, pass: CompilerPass): boolean {
   if (hasUseMemoCacheCall(fn)) {
     return false;
   }

compiler/packages/sprout/src/SproutTodoFilter.ts

@@ -437,6 +437,7 @@ const skipFilter = new Set([
   "forest/forest-object-type-valid.flow",
   "forest/forest-partial-reassignment-type-annotation.flow",
   "forest/todo-forest-phi-type-unused-initializer.flow",
+  "forest/forest-hook.flow",
 
   // TODO: we probably want to always skip these
   "rules-of-hooks/rules-of-hooks-0592bd574811",