fix: shell.ostack_project_properties_v1 script dir has to point to proper absolute directory
requested to merge freznicek-1902-shell.ostack_project_properties_v1-script-dir-points-to-correct-abs-dir into master
This MR fixes shell.ostack_project_properties_v1 script dir
relates to https://gitlab.ics.muni.cz/cloud/internal-wiki/-/issues/1902