minor: Extract doc.text().slice(..) into a var

helix-term/src/commands.rs

@@ -4113,11 +4113,9 @@ fn align_view_bottom(cx: &mut Context) {
 
 fn align_view_middle(cx: &mut Context) {
     let (view, doc) = current!(cx.editor);
-    let pos = doc
+    let text = doc.text().slice(..);
-        .selection(view.id)
+    let pos = doc.selection(view.id).primary().cursor(text);
-        .primary()
+    let pos = coords_at_pos(text, pos);
-        .cursor(doc.text().slice(..));
-    let pos = coords_at_pos(doc.text().slice(..), pos);
 
     view.offset.col = pos
         .col