Update to Estonian translations (#462)

app/src/main/res/values-et/help.xml

@@ -230,7 +230,7 @@
 
     <string name="help_wallet"><![CDATA[
         <h1>Rahakott</h1>
-        <h2>Street Mode</h2>
+        <h2>Avalik režiim</h2>
         <p>Street mode can be enabled/disabled in the menu or Gunther\'s head icon. In this mode, your
         balance is not shown on any screen so you can safely use your wallet on the street, a pub or
         other public place. Previous transactions are also hidden. New transactions will be shown, so

app/src/main/res/values-et/strings.xml

@@ -351,9 +351,9 @@
     <string name="nfc_tag_read_success">Sildi lugemine õnnestus</string>
     <string name="nfc_tag_tap">NFC on saadaval!</string>
 
-    <string name="status_wallet_connect_wrongversion">Node version incompatible - please upgrade!</string>
+    <string name="status_wallet_connect_wrongversion">Serveri versioon ei sobi - palun uuenda!</string>
 
-    <string name="menu_info">Details</string><!--Changed to: Show Secrets!-->
-    <string name="menu_streetmode">Street Mode</string>
-    <string name="info_streetmode_enabled">Street Mode enabled, tap for more info.</string>
+    <string name="menu_info">Näita salajast infot</string>
+    <string name="menu_streetmode">Avalik režiim</string>
+    <string name="info_streetmode_enabled">Avalik režiim sisse lülitatud, puuduta lisainfo saamiseks.</string>
 </resources>