Screensaver: Fix a fallback snafu (#7397)

* Screensaver: Don't assume a missing show_message setting means that type
setting is, too.

frontend/ui/screensaver.lua

@@ -371,8 +371,8 @@ function Screensaver:setup(event, fallback_message)
     if G_reader_settings:has("screensaver_show_message") then
         self.show_message = G_reader_settings:isTrue("screensaver_show_message")
     else
-        self.screensaver_type = "disable"
+        -- We only enable show_message as a *type* fallback!
-        self.show_message = true
+        self.show_message = false
     end
     if G_reader_settings:has("screensaver_type") then
         self.screensaver_type = G_reader_settings:readSetting("screensaver_type")

spec/unit/opds_spec.lua

@@ -300,19 +300,19 @@ describe("OPDS module #nocov", function()
             end)
             it("should use the main URL for faceted links as long as faceted links aren't properly supported", function()
                 local catalog = OPDSParser:parse(facet_sample)
-                local item_table = OPDSBrowser:genItemTableFromCatalog(catalog, "http://flibusta.net/opds")
+                local item_table = OPDSBrowser:genItemTableFromCatalog(catalog, "http://flibusta.is/opds")
 
                 assert.truthy(item_table)
-                assert.are.same(item_table[2].url, "http://flibusta.net/opds/author/75357")
+                assert.are.same(item_table[2].url, "http://flibusta.is/opds/author/75357")
             end)
         end)
 
         it("should not fill item table incorrectly with thumbnail or image URL", function()
             local catalog = OPDSParser:parse(facet_sample)
-            local item_table = OPDSBrowser:genItemTableFromCatalog(catalog, "http://flibusta.net/opds")
+            local item_table = OPDSBrowser:genItemTableFromCatalog(catalog, "http://flibusta.is/opds")
 
             assert.truthy(item_table)
-            assert.are_not.same(item_table[2].image, "http://flibusta.net/opds/author/75357")
+            assert.are_not.same(item_table[2].image, "http://flibusta.is/opds/author/75357")
         end)
     end)
 end)