Inbox and CoolPay Polish

What improved

• Inbox now shows the SMS phone number in the contact panel, handles deep links more reliably, and closes conversations faster in bulk.
• CoolPay staff notifications now follow notification preferences, and donor portal URL setup includes clearer path guidance.
• Donation form setup has clearer helper text and more reliable preset amount handling.

Fixes and polish

• BrightCourse searches and client lookups are more resilient.
• Saved filters with invalid values now return an empty grid instead of an error.
• Reminder opt-outs and conversation phone matching were tightened so messages land with the right record.