save filters and search as segment

[baderdean]

• add a "[icon] Save" button in datatable to save filters and search (before clean - style secondary)
• when you click on save segment a modal "Save filters and search as a segment - Name this segment [_____________] - Save segment)
• add subitems to Contacts for every segment
• in segment page : add a title (editable) and an icon trash to remove it close to the title
• in segment page : auto-save filters and search modification, no save button
• segments are saved as an array of json in backend profiles