Fix cancellation procedure.

src/internal/ui/text_mode/text_mode.cc

@@ -159,6 +159,7 @@ std::pair<vase::Shard *, bool> TextMode::run_terminal() {
   term_height = rows;
   redraw();
   bool running = true;
+  bool cancelled = false;
 
   while (running) {
     redraw();
@@ -176,8 +177,10 @@ std::pair<vase::Shard *, bool> TextMode::run_terminal() {
       case io::KeyEvent::Modifier::ALT:
       case io::KeyEvent::Modifier::CTRL_ALT:
       case io::KeyEvent::Modifier::CTRL:
-        if (res.text[0] == 'c')
-          return {vase, true};
+        if (res.text[0] == 'c') {
+          cancelled = true;
+          running = false;
+        }
         break;
       case io::KeyEvent::Modifier::NONE:
         if (res.text[0] == '\b' || res.text[0] == 0x7f) {
@@ -314,7 +317,7 @@ std::pair<vase::Shard *, bool> TextMode::run_terminal() {
   uint16_t last_row = start + required_height;
   bed.io.move_cursor(last_row, 1);
   bed.io.write("\n");
-  return {vase, false};
+  return {vase, cancelled};
 }
 
 void TextMode::grow() {