[nextcloud#67] Update csp correctly for dashborad

Signed-off-by: Marius David Wieschollek <git.public@mdns.eu>

lib/EventListener/AddContentSecurityPolicyEventListener.php

@@ -35,7 +35,7 @@ public function handle(Event $event): void {
             return;
         }
 
-        if($this->settingsService->getUserStyleHeaderEnabled() || $this->settingsService->getServerStyleLoginEnabled()) {
+        if($this->settingsService->getUserStyleHeaderEnabled() || $this->settingsService->getServerStyleLoginEnabled() || $this->settingsService->getUserStyleDashboardEnabled()) {
             $policy = new ContentSecurityPolicy();
             $policy->addAllowedImageDomain('https://source.unsplash.com');
             $policy->addAllowedImageDomain('https://images.unsplash.com');