Add safety operators when no thumbnails exist #353
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Better protection for running .load(data) when data
does not contain thumbnails
To prevent console errors like this...
Uncaught TypeError: Cannot read property 'container' of undefinedgalleria.js:5125 Galleria._showgalleria.js:4944 Galleria.showgalleria.js:3780 Galleria._run.Utils.wait.successgalleria.js:719 Utils.wait.fn