feat: add support for subject of conversation

crates/ui/src/icon.rs

@@ -29,6 +29,7 @@ pub enum IconName {
     CloseCircle,
     CloseCircleFill,
     Copy,
+    EditFill,
     Ellipsis,
     Eye,
     EyeOff,
@@ -92,6 +93,7 @@ impl IconName {
             Self::CloseCircle => "icons/close-circle.svg",
             Self::CloseCircleFill => "icons/close-circle-fill.svg",
             Self::Copy => "icons/copy.svg",
+            Self::EditFill => "icons/edit-fill.svg",
             Self::Ellipsis => "icons/ellipsis.svg",
             Self::Eye => "icons/eye.svg",
             Self::EyeOff => "icons/eye-off.svg",