More themes cleanup (#5410)

* More themes cleanup

* Tweak some things

* Fix 'Clear History' icon

* Split out ripple colored to its own drawable

* Tidy up things

* Unify background dim amount

* Use primaryColor for Account login button

* More colored ripples

* use colorOnPrimary for selected comfortable library item title

Co-authored-by: Soitora <simon.mattila@protonmail.com>

app/src/main/res/drawable-v26/sc_explore_48dp.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-<background android:drawable="@color/colorPrimary"/>
+<background android:drawable="@color/accent_lightblue"/>
 <foreground>
     <vector
         android:width="120dp"
@@ -11,7 +11,7 @@
             android:translateX="16"
             android:translateY="16">
             <path
-                android:fillColor="@color/textColorPrimaryDark"
+                android:fillColor="@color/md_white_1000"
                 android:pathData="M12,10.9c-0.61,0 -1.1,0.49 -1.1,1.1s0.49,1.1 1.1,1.1c0.61,0 1.1,-0.49 1.1,-1.1s-0.49,-1.1 -1.1,-1.1zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM14.19,14.19L6,18l3.81,-8.19L18,6l-3.81,8.19z" />
         </group>
     </vector>