doc: consolidate changelog entries

Author: jvsena42

CHANGELOG.md

@@ -13,7 +13,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Show loading state on Spending tab when node is not running #875
 
 ### Added
-- Unified send flow with payment method switcher, details toggle, and Lightning support for BIP21 payments #863
 - Lightning Connections empty state with onboarding screen #857
 - Unified PIN management screen (enable/disable/change in one place) #857
 - Support entry in drawer menu #857
@@ -23,7 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Mnemonic warning text transitions on reveal #857
 
 ### Changed
-- Improved fee rate defaults and sanity warning resets for send flow #863
+- Unified send flow with payment method switcher, details toggle, Lightning support for BIP21 payments, and improved fee rate defaults #863
 - Settings redesigned with tabbed navigation (General/Security/Advanced) with swipe support #857
 - Icons added to all settings rows for faster scanning #857
 - Selected values displayed on right side of settings rows #857