Fix special characters when renaming to a conflict

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/files/js/filelist.js

@@ -1941,7 +1941,9 @@
 					// Files.isFileNameValid(filename) throws an exception itself
 					OCA.Files.Files.isFileNameValid(filename);
 					if (self.inList(filename)) {
-						throw t('files', '{newName} already exists', {newName: filename});
+						throw t('files', '{newName} already exists', {newName: filename}, undefined, {
+							escape: false
+						});
 					}
 				}
 				return true;

apps/files/js/newfilemenu.js

@@ -146,7 +146,9 @@
 					if (!Files.isFileNameValid(filename)) {
 						// Files.isFileNameValid(filename) throws an exception itself
 					} else if (self.fileList.inList(filename)) {
-						throw t('files', '{newname} already exists', {newname: filename});
+						throw t('files', '{newName} already exists', {newName: filename}, undefined, {
+							escape: false
+						});
 					} else {
 						return true;
 					}