Don't display Thumbnail if the Image is smaller then preview area

Registered by Prophet

If a image displayed within the filebrowsers preview is smaller then the preview area the original image should be shown instead of the ugly streched thumbnail. Maybe this even should be optional by configuration.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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Here is the current state:
http://frupic.frubar.net/6434

Here is what i would suppose:
http://frupic.frubar.net/6433

(?)

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