Docs, gettext, and remaining test updates

- groups-architecture and membership-fee-architecture docs
- Gettext: add/correct German for authorization and membership fee type
- membership_fee_helpers_test and membership_fee_status_test adjustments

priv/gettext/default.pot

@@ -959,7 +959,6 @@ msgid "Last name"
 msgstr ""
 
 #: lib/mv_web/components/core_components.ex
-#: lib/mv_web/live/member_live/form.ex
 #, elixir-autogen, elixir-format
 msgid "None"
 msgstr ""
@@ -1671,6 +1670,7 @@ msgstr ""
 
 #: lib/mv_web/live/role_live/form.ex
 #: lib/mv_web/live/role_live/show.ex
+#: lib/mv_web/live/user_live/form.ex
 #, elixir-autogen, elixir-format
 msgid "Role"
 msgstr ""
@@ -1966,11 +1966,6 @@ msgstr ""
 msgid "Reset"
 msgstr ""
 
-#: lib/mv_web/live/member_live/show/membership_fees_component.ex
-#, elixir-autogen, elixir-format
-msgid "Only administrators can regenerate cycles"
-msgstr ""
-
 #: lib/mv_web/live/global_settings_live.ex
 #, elixir-autogen, elixir-format
 msgid " (Field: %{field})"
@@ -2303,3 +2298,18 @@ msgstr ""
 #, elixir-autogen, elixir-format
 msgid "Only administrators or the linked user can change the email for members linked to users"
 msgstr ""
+
+#: lib/mv_web/live/user_live/form.ex
+#, elixir-autogen, elixir-format
+msgid "Select role..."
+msgstr ""
+
+#: lib/mv_web/live/member_live/show/membership_fees_component.ex
+#, elixir-autogen, elixir-format
+msgid "You are not allowed to perform this action."
+msgstr ""
+
+#: lib/mv_web/live/member_live/form.ex
+#, elixir-autogen, elixir-format
+msgid "Select a membership fee type"
+msgstr ""