music controls: not spawn dupes if there's plasma integration

.config/ags/modules/.miscutils/system.js

@@ -10,6 +10,7 @@ export const hasFlatpak = !!exec(`bash -c 'command -v flatpak'`);
 const LIGHTDARK_FILE_LOCATION = `${GLib.get_user_cache_dir()}/ags/user/colormode.txt`;
 const colorMode = Utils.exec('bash -c "sed -n \'1p\' $HOME/.cache/ags/user/colormode.txt"');
 export let darkMode = !(Utils.readFile(LIGHTDARK_FILE_LOCATION).trim() == 'light');
+export const hasPlasmaIntegration = !!Utils.exec('bash -c "command -v plasma-browser-integration-host"');
 
 export const getDistroIcon = () => {
     // Arches

.config/ags/modules/indicators/musiccontrols.js

@@ -9,7 +9,7 @@ const { Box, EventBox, Icon, Scrollable, Label, Button, Revealer } = Widget;
 import { fileExists } from '../.miscutils/files.js';
 import { AnimatedCircProg } from "../.commonwidgets/cairo_circularprogress.js";
 import { showMusicControls } from '../../variables.js';
-import { darkMode } from '../.miscutils/system.js';
+import { darkMode, hasPlasmaIntegration } from '../.miscutils/system.js';
 
 const COMPILED_STYLE_DIR = `${GLib.get_user_cache_dir()}/ags/user/generated`
 const LIGHTDARK_FILE_LOCATION = `${GLib.get_user_cache_dir()}/ags/user/colormode.txt`;
@@ -20,6 +20,7 @@ var lastCoverPath = '';
 
 function isRealPlayer(player) {
     return (
+        (hasPlasmaIntegration && !player.busName.startsWith('org.mpris.MediaPlayer2.firefox')) && // Firefox mpris dbus is useless
         !player.busName.startsWith('org.mpris.MediaPlayer2.playerctld') && // Doesn't have cover art
         !player.busName.endsWith('.mpd') // Non-instance mpd bus
     );