Fix terminal key bindings (#12558)

apricotbucket28 created 

Fixes https://github.com/zed-industries/zed/issues/12556

Only changed the keymap on Linux since I'm not sure if the behaviour is
correct on macOS

Release Notes:

- N/A

Change summary

assets/keymaps/default-linux.json    | 7 +------
crates/terminal/src/mappings/keys.rs | 1 +
2 files changed, 2 insertions(+), 6 deletions(-)

Detailed changes

assets/keymaps/default-linux.json 🔗 

@@ -642,12 +642,7 @@
       "pagedown": ["terminal::SendKeystroke", "pagedown"],
       "escape": ["terminal::SendKeystroke", "escape"],
       "enter": ["terminal::SendKeystroke", "enter"],
-      "ctrl-c": ["terminal::SendKeystroke", "ctrl-c"],
-
-      // Some nice conveniences
-      "ctrl-backspace": ["terminal::SendText", "\u0015"],
-      "ctrl-right": ["terminal::SendText", "\u0005"],
-      "ctrl-left": ["terminal::SendText", "\u0001"]
+      "ctrl-c": ["terminal::SendKeystroke", "ctrl-c"]
     }
   }
 ]

crates/terminal/src/mappings/keys.rs 🔗 

@@ -54,6 +54,7 @@ pub fn to_esc_str(keystroke: &Keystroke, mode: &TermMode, alt_is_meta: bool) ->
         ("backspace", AlacModifiers::None) => Some("\x7f".to_string()),
         //Interesting escape codes
         ("tab", AlacModifiers::Shift) => Some("\x1b[Z".to_string()),
+        ("backspace", AlacModifiers::Ctrl) => Some("\x08".to_string()),
         ("backspace", AlacModifiers::Alt) => Some("\x1b\x7f".to_string()),
         ("backspace", AlacModifiers::Shift) => Some("\x7f".to_string()),
         ("space", AlacModifiers::Ctrl) => Some("\x00".to_string()),