implement identity button as navigation entry primary icon

src/app/browser/window/tab/item/page/navigation/request.rs

@@ -25,8 +25,17 @@ impl Request {
     }
 
     // Actions
-    pub fn update(&self, progress_fraction: Option<f64>) {
-        self.widget.update(progress_fraction);
+    pub fn update(
+        &self,
+        progress_fraction: Option<f64>,
+        is_identity_applicable: bool,
+        is_identity_active: bool,
+    ) {
+        self.widget.update(
+            progress_fraction,
+            is_identity_applicable,
+            is_identity_active,
+        );
     }
 
     pub fn clean(