update status controller name

src/app/browser/window/tab/item/page/content.rs

@@ -33,7 +33,7 @@ impl Content {
     }
 
     // Actions
-    pub fn set_status_error(&self, title: &str, description: &str) {
+    pub fn set_status_failure(&self, title: &str, description: &str) {
         self.clean();
 
         let status_default = Status::new_error(title, description);

src/app/browser/window/tab/item/page/content/status.rs

@@ -1,6 +1,6 @@
-mod error;
+mod failure;
 
-use error::Error;
+use failure::Failure;
 
 use adw::StatusPage;
 
@@ -12,7 +12,7 @@ impl Status {
     // Construct
     pub fn new_error(title: &str, description: &str) -> Self {
         Self {
-            gobject: Error::new(title, description),
+            gobject: Failure::new(title, description),
         }
     }
 

src/app/browser/window/tab/item/page/content/status/failure.rs

@@ -1,10 +1,10 @@
 use adw::StatusPage;
 
-pub struct Error {
+pub struct Failure {
     // nothing yet..
 }
 
-impl Error {
+impl Failure {
     pub fn new(title: &str, description: &str) -> StatusPage {
         StatusPage::builder()
             .description(description)