v4.5.0 (10674)

What's new

• Introduced the "Post subscription" flow
• Introduced "double tap to select text" support in Composer
• General performance improvements across the application, including faster navigation, smoother scrolling, and a ~20% reduction in app size
• Fixed an issue where the Mailbox list would display empty rows under certain conditions
• Fixed an issue where "Open in Proton Calendar" would not open the Calendar app under certain conditions
• Fixed an issue where some attachments could not be opened from the Message Details screen
• Fixed an issue where some bottom sheets would fail to be re-displayed after dismissal