Resave blueprints, solve a crash

Plugins/PaperFlipbookWidget/.gitignore

@@ -0,0 +1,16 @@
+# # a comment - this is ignored
+# *.a # no .a files
+# !lib.a # but do track lib.a, even though you're ignoring .a files above
+# /TODO # only ignore the root TODO file, not subdir/TODO
+# build/ # ignore all files in the build/ directory
+# doc/*.txt # ignore doc/notes.txt, but not doc/server/arch.txt
+
+!*
+*.obj
+*.dll
+*.pdb
+*.generated.h
+Intermediate/
+Saved/
+Binaries/
+.vs/