Add some TODO's, refactor some code.

app/Factory/BudgetFactory.php

@@ -92,6 +92,7 @@ class BudgetFactory
     {
         /** @var Collection $collection */
         $collection = $this->user->budgets()->get();
+        // TODO no longer need to loop like this
         /** @var Budget $budget */
         foreach ($collection as $budget) {
             if ($budget->name === $name) {

app/Factory/CategoryFactory.php

@@ -58,6 +58,9 @@ class CategoryFactory
         $result = null;
         /** @var Collection $collection */
         $collection = $this->user->categories()->get();
+
+        // TODO no longer need to loop like this
+
         /** @var Category $category */
         foreach ($collection as $category) {
             if ($category->name === $name) {

app/Factory/PiggyBankFactory.php

@@ -91,6 +91,9 @@ class PiggyBankFactory
     public function findByName(string $name): ?PiggyBank
     {
         $set = $this->user->piggyBanks()->get();
+
+        // TODO no longer need to loop like this
+
         /** @var PiggyBank $piggy */
         foreach ($set as $piggy) {
             if ($piggy->name === $name) {