Fix phpstan issues.

app/Http/Requests/AccountFormRequest.php

@@ -122,7 +122,7 @@ class AccountFormRequest extends FormRequest
         ];
         $rules          = Location::requestRules($rules);
 
-        /** @var Account $account */
+        /** @var Account|null $account */
         $account = $this->route()->parameter('account');
         if (null !== $account) {
             // add rules:

app/Http/Requests/BudgetFormUpdateRequest.php

@@ -65,7 +65,7 @@ class BudgetFormUpdateRequest extends FormRequest
     {
         $nameRule = 'required|between:1,100|uniqueObjectForUser:budgets,name';
 
-        /** @var Budget $budget */
+        /** @var Budget|null $budget */
         $budget = $this->route()->parameter('budget');
 
         if (null !== $budget) {

app/Http/Requests/CategoryFormRequest.php

@@ -57,7 +57,7 @@ class CategoryFormRequest extends FormRequest
     public function rules(): array
     {
         $nameRule = 'required|between:1,100|uniqueObjectForUser:categories,name';
-        /** @var Category $category */
+        /** @var Category|null $category */
         $category = $this->route()->parameter('category');
 
         if (null !== $category) {

app/Http/Requests/CurrencyFormRequest.php

@@ -68,7 +68,7 @@ class CurrencyFormRequest extends FormRequest
             'enabled'        => 'in:0,1',
         ];
 
-        /** @var TransactionCurrency $currency */
+        /** @var TransactionCurrency|null $currency */
         $currency = $this->route()->parameter('currency');
 
         if (null !== $currency) {

app/Http/Requests/ObjectGroupFormRequest.php

@@ -55,7 +55,7 @@ class ObjectGroupFormRequest extends FormRequest
      */
     public function rules(): array
     {
-        /** @var ObjectGroup $objectGroup */
+        /** @var ObjectGroup|null $objectGroup */
         $objectGroup = $this->route()->parameter('objectGroup');
         $titleRule   = 'required|between:1,255|uniqueObjectGroup';
 

app/Http/Requests/RecurrenceFormRequest.php

@@ -259,7 +259,7 @@ class RecurrenceFormRequest extends FormRequest
         }
 
         // update some rules in case the user is editing a post:
-        /** @var Recurrence $recurrence */
+        /** @var Recurrence|null $recurrence */
         $recurrence = $this->route()->parameter('recurrence');
         if ($recurrence instanceof Recurrence) {
             $rules['id']         = 'required|numeric|exists:recurrences,id';

app/Http/Requests/RuleFormRequest.php

@@ -164,7 +164,7 @@ class RuleFormRequest extends FormRequest
             'strict'           => 'in:0,1',
         ];
 
-        /** @var Rule $rule */
+        /** @var Rule|null $rule */
         $rule = $this->route()->parameter('rule');
 
         if (null !== $rule) {

app/Http/Requests/RuleGroupFormRequest.php

@@ -65,7 +65,7 @@ class RuleGroupFormRequest extends FormRequest
     {
         $titleRule = 'required|between:1,100|uniqueObjectForUser:rule_groups,title';
 
-        /** @var RuleGroup $ruleGroup */
+        /** @var RuleGroup|null $ruleGroup */
         $ruleGroup = $this->route()->parameter('ruleGroup');
 
         if (null !== $ruleGroup) {

app/Http/Requests/TagFormRequest.php

@@ -64,7 +64,7 @@ class TagFormRequest extends FormRequest
     {
         $idRule = '';
 
-        /** @var Tag $tag */
+        /** @var Tag|null $tag */
         $tag     = $this->route()->parameter('tag');
         $tagRule = 'required|max:1024|min:1|uniqueObjectForUser:tags,tag';
         if (null !== $tag) {