"Save As..." (and more) should default to current file location instead of Scores directory or other previous folder
There is an issue described eloquently at https://musescore.org/en/node/267617, https://musescore.org/en/node/268489, and https://musescore.org/en/node/267688 (and that's only from the last few weeks!) wherein Save As, Save Selection, Save a Copy, Export, and Export Parts do not default to the location of the currently open document as most other programs do, but instead to a folder where a different file was previously saved (or to the default path specified in Preferences). I suspect 90% of the posts along the lines of "I saved my work and now it seems gone" stem from this unexpected behavior. I'm looking into this; as I couldn't find an existing issue despite the many forum posts, I'm creating this one.