fix/relative path

[AlessandriniAntoine]

• fix(docs): reduce gifs size
• fix(gui): file path browser as posix
• fix(gui): gui browse fallback on windows
• fix(sofa): sofa path resilient on windows
• fix(core): path expander
• fix(gui): windows quit shortcut
• fix(gui): delete with backspace$
• fix(windows): test
• fix(gui): sofa windows utf compatibility
• fix(gui): ask to load project if current is dirty
• fix(gui): renaming block make project dirty
• fix(gui): enable ctr-q on ubuntu
• fix(gui): block dialog modification do not impact connection
• fix(docs): add windows command tutorial SOFA
• fix(sofa): runsofa message error on keys
• fix(sofa): print in terminal and detect step error
• fix(sofa): send problem to gui
• fix(sofa): send problem to gui
• fix(docs): adapt sofa tuto to v25.12
• fix(docs): tuto specify sofa version
• fix(docs): one sofa scene for all version
• fix(docs): remove hardware from tuto
• add(docs): update readme tutorial
• fix(docs): update readme example