Adapts the theming util to the new core logo image path

Signed-off-by: Michael Weimann <mail@michael-weimann.eu>

apps/theming/lib/Util.php

@@ -161,7 +161,7 @@ class Util {
 				}
 			} catch (NotFoundException $e) {}
 		}
-		return \OC::$SERVERROOT . '/core/img/logo.svg';
+		return \OC::$SERVERROOT . '/core/img/logo/logo.svg';
 	}
 
 	/**
@@ -223,7 +223,7 @@ class Util {
 
 	/**
 	 * Check if a custom theme is set in the server configuration
-	 * 
+	 *
 	 * @return bool
 	 */
 	public function isAlreadyThemed() {

apps/theming/tests/UtilTest.php

@@ -139,7 +139,7 @@ class UtilTest extends TestCase {
 	public function dataGetAppIcon() {
 		return [
 			['user_ldap', \OC_App::getAppPath('user_ldap') . '/img/app.svg'],
-			['noapplikethis', \OC::$SERVERROOT . '/core/img/logo.svg'],
+			['noapplikethis', \OC::$SERVERROOT . '/core/img/logo/logo.svg'],
 			['comments', \OC_App::getAppPath('comments') . '/img/comments.svg'],
 		];
 	}