anidex: fix #1817 settings' category id causing no results (#1880)

src/Jackett/Definitions/anidex.yml

@@ -1,4 +1,4 @@
----
+---
   site: anidex
   name:  Anidex
   description: "Anidex is a torrent tracker and indexer, primarily for English fansub groups of anime"
@@ -34,16 +34,13 @@
     - name: cat-id
       type: text
       label: Category Id
-# no longer supported?      
-#    - name: lang-id
-#      type: text
-#      label: Language Id
+    - name: info
+      type: info
+      label: Category Id Note
+      default: "You can filter your searches by using any of the following category numbers (comma delimited):<br>1 :Anime - Sub<br>2 :Anime - Raw<br>3 :Anime - Dub<br>4 :LA - Sub<br>5 :LA - Raw<br>6 :Light Novel<br>7 :Manga - TLed<br>8 :Manga - Raw<br>9 :♫ - Lossy<br>10 :♫ - Lossless<br>11 :♫ - Video<br>12 :Games<br>13 :Applications<br>14 :Pictures<br>15 :Adult Video<br>16 :Other"
       
   search:
-    path: "/"
-    inputs:
-      q: "{{ .Query.Keywords }}"
-      id: "{{ .Config.cat-id }}"
+    path: "?{{if .Config.cat-id}}id={{.Config.cat-id }}&{{else}}{{end}}q={{if .Keywords}}{{.Keywords}}{{else}}{{end}}"
     rows:
       selector: div.table-responsive > table > tbody > tr
     fields: