[FIX] base: allow importing translation files

Same missing required invisible field issue as mentioned in
odoo#178175

opw-4139872

closes odoo#178629

X-original-commit: 1de2087
Signed-off-by: Louis Wicket (wil) <[email protected]>

Author: ticodoo

odoo/addons/base/wizard/base_import_language_views.xml

@@ -11,6 +11,7 @@
                         <field name="name" placeholder="e.g. English"/>
                         <field name="code" string="Code" placeholder="e.g. en_US"/>
                         <field name="data" filename="filename" options="{'accepted_file_extensions': '.csv,.po'}"/>
+                        <field name="filename" invisible="1"/> <!-- The name is needed in the BinaryField component used to upload the file -->
                         <field name="overwrite" groups="base.group_no_one"/>
                     </group>
                     <footer>