[Suggestion] Add a default label colour to new domain / page / global notes

[Sav22999]

Add option which permits you to set automatically a label for domains, for pages, for subdomains or for global note

• Default label for new page notes: [label colours list / nothing]
• Default label for new domain notes: [label colours list / nothing]
• Default label for new global note: [label colours list / nothing]
• Default label for new subdomains notes: [label colours list / nothing]