broadband-modem-mbim: Fix password on initial EPS bearer settings

Currently, we are sending the username twice instead of username and
password. Fix the password value.

(cherry picked from commit 5af93dbfeeb7336934f9713243ebf0ec28c2fd32)

BUG=b:197981889
BUG=b:182530069

TEST=Verify that Au by Kddi works on Dood on a device in Japan.

Change-Id: I522620789f17ad4f2df59b6d3c2a51734ff7a15e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/modemmanager-next/+/3125654
Tested-by: Andrew Lassalle <andrewlassalle@chromium.org>
Auto-Submit: Andrew Lassalle <andrewlassalle@chromium.org>
Reviewed-by: Madhav . <madhavadas@google.com>
Commit-Queue: Andrew Lassalle <andrewlassalle@chromium.org>
(cherry picked from commit c0e49ca000b0e09a3031d254784525fd4fde251c)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/modemmanager-next/+/3130000
Commit-Queue: Madhav . <madhavadas@google.com>
diff --git a/src/mm-broadband-modem-mbim.c b/src/mm-broadband-modem-mbim.c
index 2486f78..9762c5c 100644
--- a/src/mm-broadband-modem-mbim.c
+++ b/src/mm-broadband-modem-mbim.c
@@ -3118,7 +3118,7 @@
         configurations[i]->user_name = g_strdup (mm_bearer_properties_get_user (config));
 
         g_clear_pointer (&(configurations[i]->password), g_free);
-        configurations[i]->password = g_strdup (mm_bearer_properties_get_user (config));
+        configurations[i]->password = g_strdup (mm_bearer_properties_get_password (config));
 
         configurations[i]->source = MBIM_CONTEXT_SOURCE_USER;
         configurations[i]->compression = MBIM_COMPRESSION_NONE;