Activity Redesign

Hi everyone, I've prepared a nice small update to end this month!

New

• Redesigned bottom bar of activities
• Redesigned dialog mode for activities
• Added option to reattach activities from window mode to sidebar mode
• Integration of Ollama Cloud models
• Added option for templates in GGUF models

Fixes

• Fixed title generation on online instances
• Fixed error relating to usage of certain tools
• Simplify internal process for regenerating messages
• Fixed DBus issues

Full Changelog: 8.2.2...8.3.0