fix(help): move 'n - New connection' out of On Connection Node subsection

The binding works anywhere in the tree (it's on TreeFocusedState), but the
hardcoded help text listed it under the connection-node-specific subsection
alongside Edit/Delete/Duplicate/Disconnect.

Author: Maxteabag

sqlit/domains/shell/state/machine.py

@@ -183,13 +183,13 @@ def binding(key: str, desc: str, indent: int = 4) -> str:
         lines.append(section("EXPLORER"))
         lines.append(binding("j/k", "Move cursor down/up"))
         lines.append(binding("<enter>", "Expand node / Connect"))
+        lines.append(binding("n", "New connection"))
         lines.append(binding("s", "SELECT TOP 100 (on table/view)"))
         lines.append(binding("/", "Filter tree"))
         lines.append(binding("z", "Collapse all nodes"))
         lines.append(binding("f", "Refresh tree"))
         lines.append("")
         lines.append(subsection("On Connection Node:"))
-        lines.append(binding("n", "New connection"))
         lines.append(binding("e", "Edit connection"))
         lines.append(binding("d", "Delete connection"))
         lines.append(binding("D", "Duplicate connection"))