use consistent name in config

Author: fey

src/Rules/Classes/DisallowClassesRule.php

@@ -38,7 +38,7 @@ public function processNode(Node $node, Scope $scope): array
 
         return [
             RuleErrorBuilder::message($errorMessage)
-                ->identifier('PHPStanFp.disallowClasses')
+                ->identifier('phpstanFunctionalProgramming.disallowClasses')
                 ->build()
         ];
     }

src/Rules/Exceptions/DisallowThrowRule.php

@@ -38,7 +38,7 @@ public function processNode(Node $node, Scope $scope): array
 
         return [
             RuleErrorBuilder::message($errorMessage)
-                ->identifier('PHPStanFp.disallowThrow')
+                ->identifier('phpstanFunctionalProgramming.disallowThrow')
                 ->build()
         ];
     }

src/Rules/Expression/DisallowUnusedExpressionRule.php

@@ -40,7 +40,7 @@ public function processNode(Node $node, Scope $scope): array
 
         return [
             RuleErrorBuilder::message('Enforce that an expression gets used')
-                ->identifier('PHPStanFp.disallowUnusedExpression')
+                ->identifier('phpstanFunctionalProgramming.disallowUnusedExpression')
                 ->build()
         ];
     }

src/Rules/Functions/DisallowMutatingFunctionsRule.php

@@ -72,7 +72,7 @@ public function processNode(Node $node, Scope $scope): array
 
         return [
             RuleErrorBuilder::message($errorMessage)
-                ->identifier('PHPStanFp.disallowMutatingFunctions')
+                ->identifier('phpstanFunctionalProgramming.disallowMutatingFunctions')
                 ->build()
         ];
     }

src/Rules/Loops/DisallowLoopsRule.php

@@ -30,7 +30,7 @@ public function processNode(Node $node, Scope $scope): array
 
         return [
             RuleErrorBuilder::message("Should not use loop {$this->getLoopType()}")
-                ->identifier('PHPStanFp.disallowLoops')
+                ->identifier('phpstanFunctionalProgramming.disallowLoops')
                 ->build()
         ];
     }

src/Rules/Variables/DisallowMutationRule.php

@@ -60,7 +60,7 @@ private function buildError(): IdentifierRuleError
         $errorMessage = 'Should not use of mutating operators';
 
         return RuleErrorBuilder::message($errorMessage)
-            ->identifier('PHPStanFp.disallowVariablesMutation')
+            ->identifier('phpstanFunctionalProgramming.disallowVariablesMutation')
             ->build();
     }
 }