fix panic on negative counter value update

src/app/browser/window/tab/item/page/input/response/control.rs

@@ -36,7 +36,7 @@ impl Control {
     }
 
     // Actions
-    pub fn update(&self, is_empty: bool, bytes_left: Option<usize>) {
+    pub fn update(&self, is_empty: bool, bytes_left: Option<isize>) {
         // Update children components
         self.counter.update(is_empty, bytes_left);
         self.send.update(match bytes_left {

src/app/browser/window/tab/item/page/input/response/control/counter.rs

@@ -23,7 +23,7 @@ impl Counter {
     }
 
     // Actions
-    pub fn update(&self, is_empty: bool, bytes_left: Option<usize>) {
+    pub fn update(&self, is_empty: bool, bytes_left: Option<isize>) {
         self.widget.update(is_empty, bytes_left);
     }
 }

src/app/browser/window/tab/item/page/input/response/control/counter/widget.rs

@@ -19,7 +19,7 @@ impl Widget {
     }
 
     // Actions
-    pub fn update(&self, is_empty: bool, bytes_left: Option<usize>) {
+    pub fn update(&self, is_empty: bool, bytes_left: Option<isize>) {
         match bytes_left {
             Some(value) => {
                 // Update color on chars left reached