Fixing various bugs and adding sampler dropdown.

[dustyatticgames]

• Fixed issue where html encoded characters in the prompt were sent to SD causing strange image results.
• Fixed issue with subject from get_SD_pictures by importing from the global scope.
• Fixed issue where "selfies" did not use the character's sd_tags.
• Added param "showDescription" to allow hiding the description when an image is sent (turn of streaming for best results).
• Added button to populate sampler list from SD.
• Misc. formatting done by the IDE.

[GuizzyQC]

Thanks for the patch, I tested and it worked fine on my end!