Fix the numeration in line wrap docs (#18428)

Follow-up of #18412

Release Notes:

- N/A

Co-authored-by: Thorsten Ball <thorsten@zed.dev>

assets/settings/default.json

@@ -535,14 +535,14 @@
   // How to soft-wrap long lines of text.
   // Possible values:
   //
-  // 2. Prefer a single line generally, unless an overly long line is encountered.
+  // 1. Prefer a single line generally, unless an overly long line is encountered.
   //      "soft_wrap": "none",
   //      "soft_wrap": "prefer_line", // (deprecated, same as "none")
-  // 3. Soft wrap lines that overflow the editor.
+  // 2. Soft wrap lines that overflow the editor.
   //      "soft_wrap": "editor_width",
-  // 4. Soft wrap lines at the preferred line length.
+  // 3. Soft wrap lines at the preferred line length.
   //      "soft_wrap": "preferred_line_length",
-  // 5. Soft wrap lines at the preferred line length or the editor width (whichever is smaller).
+  // 4. Soft wrap lines at the preferred line length or the editor width (whichever is smaller).
   //      "soft_wrap": "bounded",
   "soft_wrap": "none",
   // The column at which to soft-wrap lines, for buffers where soft-wrap