Add affordance to copy user's invite link if they have a code

Co-Authored-By: Antonio Scandurra <me@as-cii.com>

crates/theme/src/theme.rs

@@ -262,6 +262,16 @@ pub struct ContactsPanel {
     pub disabled_contact_button: IconButton,
     pub tree_branch: Interactive<TreeBranch>,
     pub section_icon_size: f32,
+    pub invite_row: Interactive<ContainedLabel>,
+}
+
+#[derive(Deserialize, Default)]
+pub struct InviteLink {
+    #[serde(flatten)]
+    pub container: ContainerStyle,
+    #[serde(flatten)]
+    pub label: LabelStyle,
+    pub icon: Icon,
 }
 
 #[derive(Deserialize, Default, Clone, Copy)]
@@ -279,6 +289,15 @@ pub struct ContactFinder {
     pub disabled_contact_button: IconButton,
 }
 
+#[derive(Deserialize, Default)]
+pub struct Icon {
+    #[serde(flatten)]
+    pub container: ContainerStyle,
+    pub color: Color,
+    pub width: f32,
+    pub path: String,
+}
+
 #[derive(Deserialize, Default)]
 pub struct IconButton {
     #[serde(flatten)]