Update patches to v8.5.4

Fixed top bar.

Unofficial v8.5.4 changelog:
- Full implementation of news https://cdn.discordapp.com/attachments/448273769153298452/551511285582397471/Screenshot_20190303-000846.png
- Fun placeholders such as <string name="premium_subtitle_mobile">Something that would a mobile user want to care about buying Nitro chat perks with the bonus of some free pc games.</string>

patches/customtheme/README.md

@@ -4,6 +4,8 @@ This patch replaces theme with a pitch black theme, similar to [0cord](https://g
 
 Run `fixsplash.sh <full path of asset_loading.png>` to fix the splash.
 
+Self note: Top bar color is set by `setStatusBarColorResourceId`
+
 #### Bugs / Side effects
 - Not all colors are replaced (almost all are, though)
 - Muted channel names aren't visible
@@ -25,6 +27,7 @@ Run `fixsplash.sh <full path of asset_loading.png>` to fix the splash.
 - 8.5.0
 - 8.5.1
 - 8.5.3
+- 8.5.4
 
 #### Value reference