Fixes #1096 Documents title should not be over-wriiten by fileName

layouts/v7/modules/Documents/resources/Documents.js

@@ -198,7 +198,10 @@ Vtiger.Class('Documents_Index_Js', {
container.find('.fileDetails').text(fileName + ' (' + fileSize + ')');
var fileParts = fileName.split('.');
var fileType = fileParts[fileParts.length - 1];
-			container.find('[name="notes_title"]').val(fileName.replace('.'+fileType, ''));
+			let notesTitle = container.find('[name="notes_title"]').val();
+                        if (!notesTitle.trim()) {
+                            container.find('[name="notes_title"]').val(fileName.replace('.' + fileType, ''));
+                        }
}
},