ettv: fix #2052 so that 'sortby added' returns proper results

the default search for ettv is to return 'any words' matched, which when
paired with 'sortby added' meant the top resutls were not useful.
now we prefix the keyworks with '+' and urlencodes them, ensuring that
'all words' matched is returned.

src/Jackett.Common/Definitions/ettv.yml

@@ -35,10 +35,12 @@
     path: torrents-search.php
     inputs:
       $raw: "{{range .Categories}}c{{.}}=1&{{end}}"
-      search: "{{ .Query.Keywords }}"
+      search: "{{ if .Keywords }}+{{else}}{{end}}{{ .Keywords }}"
       incldead: "1"
-      order: desc
       sort: id
+      order: desc
+    keywordsfilters:
+      - name: urlencode
 
     rows:
       selector: div.myFrame-content > div > table > tbody > tr[class]