chore: fix translation issues

Author: prince-deriv

src/javascript/_common/localize.js

@@ -1,4 +1,5 @@
 const moment   = require('moment');
+const { urlLang } = require('./language');
 require('moment/min/locales');
 const template = require('./utility').template;
 
@@ -15,6 +16,10 @@ const Localize = (() => {
 
         const index = text.replace(/[\s|.]/g, '_');
 
+        const lang = urlLang().toUpperCase();
+
+        localized_texts = texts_json[lang];
+
         text = (localized_texts && localized_texts[index]) || text;
 
         // only use template when explicitly required

src/javascript/app/pages/bottom/explanation_data.js

@@ -198,7 +198,7 @@ export const contractExplanationData = {
             ],
         },
         risefall: {
-            title  : 'Entry spot' ,
+            title  : localize('Entry spot') ,
             content: [
                 localize('The <strong>start time</strong> is when the contract is processed by our servers and the <strong>entry spot</strong> is the <strong>next tick</strong> thereafter.'),
                 localize('If you select a <strong>start time</strong> in the future, the <strong>start time</strong> is that which is selected and the <strong>entry spot</strong> is the price in effect at that time.'),