/usr/share/mysql-workbench/data/ is in mysql-workbench-data 6.3.6+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mysql-workbench/data/MySQL.g
/usr/share/mysql-workbench/data/MySQL.tokens
/usr/share/mysql-workbench/data/code_editor.xml
/usr/share/mysql-workbench/data/data.db
/usr/share/mysql-workbench/data/db_datatype_groups.xml
/usr/share/mysql-workbench/data/dbquery_toolbar.xml
/usr/share/mysql-workbench/data/default_toolbar.xml
/usr/share/mysql-workbench/data/main_menu.xml
/usr/share/mysql-workbench/data/model_diagram_toolbar.xml
/usr/share/mysql-workbench/data/model_option_toolbar_layer.xml
/usr/share/mysql-workbench/data/model_option_toolbar_note.xml
/usr/share/mysql-workbench/data/model_option_toolbar_physical_relationship.xml
/usr/share/mysql-workbench/data/model_option_toolbar_physical_routinegroup.xml
/usr/share/mysql-workbench/data/model_option_toolbar_physical_table.xml
/usr/share/mysql-workbench/data/model_option_toolbar_physical_view.xml
/usr/share/mysql-workbench/data/model_option_toolbar_selection.xml
/usr/share/mysql-workbench/data/model_toolbar.xml
/usr/share/mysql-workbench/data/paper_types.xml
/usr/share/mysql-workbench/data/predefined_starters.xml
/usr/share/mysql-workbench/data/shortcuts.xml
/usr/share/mysql-workbench/data/shortcuts_basic.xml
/usr/share/mysql-workbench/data/shortcuts_physical.xml
/usr/share/mysql-workbench/data/table_templates.xml
/usr/share/mysql-workbench/data/tools_toolbar.xml
/usr/share/mysql-workbench/data/tools_toolbar_basic.xml
/usr/share/mysql-workbench/data/tools_toolbar_physical.xml