android: fix dict overrides (#6887)

- User overrides marked as false were not checked
- Actions without app were skipped.

frontend/device/android/device.lua

@@ -102,7 +102,7 @@ local Device = Generic:new{
     doExternalDictLookup = function (self, text, method, callback)
         external.when_back_callback = callback
         local _, app, action = external:checkMethod("dict", method)
-        if app and action then
+        if action then
             android.dictLookup(text, app, action)
         end
     end,

frontend/device/thirdparty.lua

@@ -25,16 +25,11 @@ function M:new(o)
         if ok then
             o[role.."s"] = user_dicts
             o.is_user_list = true
-        else
-            local t = o[role.."s"]
-            for i, value in ipairs(t or {}) do
-                local app = value[4]
-                if o:check(app) then
-                    value[3] = true
-                end
-            end
-            if t then
-                self[role.."s"] = t
+        end
+        for i, value in ipairs(o[role.."s"] or {}) do
+            local app = value[4]
+            if app and o:check(app) then
+                value[3] = true
             end
         end
     end