added event to determine if case should be lower for other plugins

MarketingCampaignsReporting.php

@@ -40,6 +40,7 @@ public function registerEvents()
             'Report.filterReports'                        => 'removeOriginalCampaignReport',
             'Insights.addReportToOverview'                => 'addReportToInsightsOverview',
             'AssetManager.getStylesheetFiles'             => 'getStylesheetFiles',
+            'Plugin.shouldLowerCampaignCase'              => 'shouldLowerCampaignCase',
         );
     }
 
@@ -120,4 +121,10 @@ public function isTrackerPlugin()
     {
         return true;
     }
+
+    public function shouldLowerCampaignCase($pluginName, &$shouldLowerCampaignCase)
+    {
+        $systemSettings = StaticContainer::get(SystemSettings::class);
+        $shouldLowerCampaignCase = !$systemSettings->doNotChangeCaseOfUtmParameters->getValue();
+    }
 }