[New]: Added ability to share drafts in Shared Conversations!

[New]: Added preference in "Settings/Sending" to allow default sharing of drafts.

[Updated]: Added the ability to share conversations while composing a reply.

[Updated]: Improved styling for scheduling pages for recipients in different time zones.

[Updated]: Improved load performance when viewing sign-in pages after logging out.

[Fixed]: Issue that caused default font not to update in the Font Selector when changing back selection to text that has no explicit font set.