Patch 1.14.1a - just some fixes — Tiny Glade Steam update #437625

Hi, all! Here comes a small patch with a few fixes: 🚒 Detect the presence of stale game files upon a crash - Steam failed to delete them for some folks, the game tries to load them, and then crashes 🐛 Hopefully fix inability to delete glades - if a glade with the same folder name existed inside the deleted-saves folder, the deletion would fail. Now it will rename the save folder, and proceed to moving it into deleted-saves 🐛 Fix floor pattern not being inherited when creating a snapped shape ✍️ Display a small link when a stair node is attached to a wall (before it was displaying a small circle around the node and that was not very clear ^^") 👩‍🏫 Add a tutorial hint on how to detach stairs from a wall 🧹 Sanitize a crash when using coloring menu on a wall that was just undone 🧹 Sanitize a crash related to zero length curves when drawing walls and fences ✍️ and while I was at it, I figured...