When renaming, the app removes the source filename up to the FIRST dot, when it should use the LAST dot.
Steps to reproduce:
1. Have jpeg file named "Bird 50mm f5.8 iso 200.jpg" that has an IPTC:Document Title of "Goose"
2. Use Import and Sort; new filename= {IPTC:Object Name}
Result filename= "Goose.8 iso 200.jpg"
Should be "Goose.jpg"
It interpreted the source filename as everything up to the first dot: "Bird 50mm f5" and stripped it off and replaced it with the variable.
But it should have stripped up to the LAST dot, right before the extension.
