[IMP] l10n: add video link for ecuador + fix other latam links

This commit:
- adds the link for the Ecuatorian localization app tour
- changes the other latam app tour links as the short links embedded the
  `es_ES` language string in the URL, which should be avoided

content/applications/finance/fiscal_localizations/argentina.rst

@@ -11,7 +11,7 @@ Below you can find videos with a general description of the localization, and ho
 - `eCommerce - Localización de Argentina <https://www.youtube.com/watch?v=5gUi2WWfRuI>`_.
 
 .. seealso::
-   `Smart Tutorial - Localización de Argentina <https://www.odoo.com/r/7Mx>`_
+   `Smart Tutorial - Localización de Argentina <https://www.odoo.com/slides/smart-tutorial-localizacion-de-argentina-130>`_
 
 Configuration
 =============

content/applications/finance/fiscal_localizations/chile.rst

@@ -19,7 +19,7 @@ modules are available:
 
 .. seealso::
    - `App Tour - Localización de Chile <https://www.youtube.com/watch?v=3qYkgbmBYHw>`_
-   - `Smart Tutorial - Localización de Chile <https://www.odoo.com/r/Ose>`_
+   - `Smart Tutorial - Localización de Chile <https://www.odoo.com/slides/smart-tutorial-localizacion-de-chile-131>`_
 
 Configuration
 =============

content/applications/finance/fiscal_localizations/ecuador.rst

@@ -15,7 +15,8 @@ The localization also Includes automations to easily predict the withholding tax
 each purchase invoice.
 
 .. seealso::
-   `Smart Tutorial - Localización de Ecuador <https://www.odoo.com/r/TnE>`_
+   - `App Tour - Localización de Ecuador <https://www.youtube.com/watch?v=BQOXVSDeeK8>`_
+   - `Smart Tutorial - Localización de Ecuador <https://www.odoo.com/slides/smart-tutorial-localizacion-de-ecuador-170>`_
 
 Glossary
 --------

content/applications/finance/fiscal_localizations/peru.rst

@@ -23,7 +23,7 @@ available:
 
 .. seealso::
    - `App Tour - Localización de Peru <https://youtu.be/Ic3mGovkf8Y>`_
-   - `Smart Tutorial - Localización de Peru <https://www.odoo.com/r/xUtO>`_
+   - `Smart Tutorial - Localización de Peru <https://www.odoo.com/slides/smart-tutorial-localizacion-de-peru-133>`_
 
 Configuration
 =============