Fix conditionals in the liquid template for OpenID Connect conf.

Author: Subv

backend/templates/_openid_connect.conf

@@ -1,4 +1,4 @@
-{% if openidc_enabled -%}
+{% if openidc_enabled == 1 or openidc_enabled == true -%}
     access_by_lua_block {
 	    local openidc = require("resty.openidc")
         local opts = {
@@ -18,7 +18,7 @@
             ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
         end
 
-        {% if openidc_restrict_users_enabled -%}
+        {% if openidc_restrict_users_enabled == 1 or openidc_restrict_users_enabled == true -%}
         local function contains(table, val)
             for i=1,#table do
                 if table[i] == val then