Sanitize strings in Windows command calls

[wpferguson]

Handle command execution with for commands that require multiple quoted strings on Windows. This handles circumstances such as:

• space in the username or path
• special characters

See https://github.com/darktable-org/darktable/pull/15437 for more information.

The scripts that need fixed are:

• contrib/video_ffmpeg.lua
• contrib/image_stack.lua
• contrib/geoJSON_export.lua
• contrib/fujifilm_dynamic_range.lua
• contrib/image_time.lua
• contrib/autostyle.lua
• contrib/color_profile_manager.lua
• contrib/fujifilm_ratings.lua
• contrib/kml_export.lua
• contrib/geoToolbox.lua
• official/enfuse.lua
• tools/gen_i18n_mo.lua
• tools/get_lib_manpages.lua
• tools/get_libdoc.lua
• tools/get_lib_manpages.lua
• tools/executable_manager.lua
• tools/script_manager.lua
• lib/dtutils/file.lua
• lib/dtutils/system.lua