return position as the option

src/app/browser/window/tab/item/page/search/form/navigation.rs

@@ -95,7 +95,7 @@ impl Navigation {
         }
     }
 
-    pub fn position(&self) -> usize {
+    pub fn position(&self) -> Option<usize> {
         self.model.borrow().position()
     }
 

src/app/browser/window/tab/item/page/search/form/navigation/model.rs

@@ -24,7 +24,7 @@ impl<T> Model<T> {
         self.vector.get(self.cursor.as_index())
     }
 
-    pub fn position(&self) -> usize {
+    pub fn position(&self) -> Option<usize> {
         self.cursor.as_position()
     }
 

src/app/browser/window/tab/item/page/search/form/navigation/model/cursor.rs

@@ -35,7 +35,11 @@ impl Cursor {
         }
     }
 
-    pub fn as_position(&self) -> usize {
-        self.current
+    pub fn as_position(&self) -> Option<usize> {
+        if self.current > 0 {
+            Some(self.current)
+        } else {
+            None
+        }
     }
 }

src/app/browser/window/tab/item/page/search/form/result.rs

@@ -22,13 +22,13 @@ impl Result {
 
     // Actions
 
-    pub fn update(&self, current: usize, total: usize) {
+    pub fn update(&self, current: Option<usize>, total: usize) {
         if total > 0 {
-            if current > 0 {
-                self.label
-                    .set_label(&format!("{current} of {total} matches"));
-            } else {
-                self.label.set_label(&format!("{total} matches"));
+            match current {
+                Some(position) => self
+                    .label
+                    .set_label(&format!("{position} of {total} matches")),
+                None => self.label.set_label(&format!("{total} matches")),
             }
             self.label.remove_css_class("error");
         } else {