Give the rest of the conf a place to be changed

A third of the settings had no control anywhere, so the answer to "where do I
change this" was to open a file over SSH.

Plugin/unraid/api/confform.php

@@ -105,11 +105,19 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
         //
         // preg_quote first: the needle arrives from a query string, so it is matched as a literal
         // with boundaries around it rather than as a pattern a caller could widen to everything.
-        $re  = '/\b' . preg_quote($match, '/') . '\b/i';
+        // "*" is every section this host has. Deliberately not the same as an empty needle, which
+        // would match everything by accident rather than on purpose.
+        $all = ($match === '*');
+        $re  = $all ? '' : '/\b' . preg_quote($match, '/') . '\b/i';
         $out = [];
         foreach (vv_get_conf_files() as $f) {
             foreach (vv_conf_all_groups($f) as $g) {
-                if (preg_match($re, (string) ($g['subsection'] ?? ''))) $out[] = $g;
+                $name = (string) ($g['subsection'] ?? '');
+                // Excluded everywhere, not only from the catch-all. A section kept out of forms
+                // because a text box is the wrong control for it does not become the right
+                // control because a different page asked.
+                if (isset(VV_UI_SECTION_EXCLUDE[$name])) continue;
+                if ($all || preg_match($re, $name)) $out[] = $g;
             }
         }
         echo json_encode(['ok' => true, 'groups' => $out]);