Use theme primary color for slider track (#7102)

app/src/main/res/color/slider_active_track.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="?attr/colorPrimary" android:state_enabled="true"/>
+    <item android:alpha="@dimen/material_emphasis_disabled" android:color="?attr/colorOnSurface"/>
+</selector>

app/src/main/res/color/slider_inactive_track.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:alpha="0.24" android:color="?attr/colorPrimary" android:state_enabled="true"/>
+    <item android:alpha="@dimen/material_emphasis_disabled" android:color="?attr/colorOnSurface"/>
+</selector>

app/src/main/res/values/styles.xml

@@ -192,6 +192,8 @@
     <style name="Widget.Tachiyomi.Slider" parent="Widget.Material3.Slider">
         <item name="labelBehavior">gone</item>
         <item name="tickVisible">false</item>
+        <item name="trackColorInactive">@color/slider_inactive_track</item>
+        <item name="trackColorActive">@color/slider_active_track</item>
     </style>