Android companion app can't play media that web site can

**Home Assistant Android app version(s):**
2025.4.3-full

**Android version(s):**
14, (One UI v6.1, Google Play system update March 1st, 2025)

**Device model(s):**
Samsung Galaxy S23

**Home Assistant version:**
2025.4.4

**Last working Home Assistant release (if known):**
n/a

**Description of problem, include YAML if issue is related to notifications:**
I regularly back up my Blink doorbell motion-detection videos and store them in a `media` folder. When I'm browsing this folder via the website (I'm using Vivaldi, a chromium-based browser), I can drill into the folders and play any of the files without issue, no matter if I'm on my mobile device or a desktop. *However* via the Android Companion app, I can't even see the same media items, let alone play them.

**Screenshot or video of problem:**
First, here is the website, working as expected:

And here is the Android Companion App, not recognizing the media:

**Companion App Logs:**
Wow, these are more voluminous than I thought. I've removed the lines containing location information. [Here's a separate gist containing the logs.](https://gist.githubusercontent.com/SteveDinn/00987d359f1e1062df336dbddcebfcf5/raw/a4580677ca2840904c467f95012aa8b83cc43ab2/homeassistant_companion_log_3-27-2025_13-37-50.txt)

**Additional information:**
n/a