Fix crash on opening from suspend state (helix-editor#6764)

* Fix crash on opening from suspend state (helix-editor#6725)

* Fix code style

* revert using of the imperative code style. Add panic if couldn't set terminal raw mode

* remove redundant import of core::panic macros

* small refactoring

helix-term/src/application.rs

@@ -471,7 +471,17 @@ impl Application {
                 }
             }
             signal::SIGCONT => {
-                self.claim_term().await.unwrap();
+                // Copy/Paste from same issue from neovim:
+                // https://github.com/neovim/neovim/issues/12322
+                // https://github.com/neovim/neovim/pull/13084
+                for retries in 1..=10 {
+                    match self.claim_term().await {
+                        Ok(()) => break,
+                        Err(err) if retries == 10 => panic!("Failed to claim terminal: {}", err),
+                        Err(_) => continue,
+                    }
+                }
+
                 // redraw the terminal
                 let area = self.terminal.size().expect("couldn't get terminal size");
                 self.compositor.resize(area);