[CLEANUP] Avoid magic method forwarding in Rule (#1150)

Part of #1147

Author: oliverklee

config/phpstan-baseline.neon

@@ -144,18 +144,6 @@ parameters:
 			count: 1
 			path: ../src/Property/Import.php
 
-		-
-			message: '#^Call to an undefined method Sabberworm\\CSS\\OutputFormat\:\:comments\(\)\.$#'
-			identifier: method.notFound
-			count: 1
-			path: ../src/Rule/Rule.php
-
-		-
-			message: '#^Call to an undefined method Sabberworm\\CSS\\OutputFormat\:\:spaceAfterRuleName\(\)\.$#'
-			identifier: method.notFound
-			count: 1
-			path: ../src/Rule/Rule.php
-
 		-
 			message: '#^Only booleans are allowed in an if condition, Sabberworm\\CSS\\Value\\RuleValueList\|string\|null given\.$#'
 			identifier: if.condNotBoolean

src/Rule/Rule.php

@@ -234,7 +234,8 @@ public function __toString(): string
 
     public function render(OutputFormat $outputFormat): string
     {
-        $result = "{$outputFormat->comments($this)}{$this->rule}:{$outputFormat->spaceAfterRuleName()}";
+        $formatter = $outputFormat->getFormatter();
+        $result = "{$formatter->comments($this)}{$this->rule}:{$formatter->spaceAfterRuleName()}";
         if ($this->value instanceof Value) { // Can also be a ValueList
             $result .= $this->value->render($outputFormat);
         } else {