issets are need in codemirror plugin

[Cipa]

evolution/assets/plugins/codemirror/codemirror.plugin.php

Line 55 in 736b3c1

$xrte = $content['richtext'];

should be

$xrte = isset($content['richtext']) ? $content['richtext'] : '';

evolution/assets/plugins/codemirror/codemirror.plugin.php

Line 107 in 736b3c1

$object_name = $content['pagetitle'];

$object_name = isset($content['pagetitle']) ? $content['pagetitle'] : '';

evolution/assets/plugins/codemirror/codemirror.plugin.php

Line 109 in 736b3c1

$rte = ($prte ? $prte : ($content['id'] ? ($xrte ? $srte : 'none') : $srte));

$rte = ($prte ? $prte : (isset($content['id']) ? ($xrte ? $srte : 'none') : $srte));