Fix some theming for Element's new layout

Change-Id: I9027d81a31f2a6a5393936ecf506099d38735b27

library/ui-styles/src/main/res/values/styles_tablayout.xml

@@ -10,7 +10,11 @@
         <item name="textAllCaps">false</item>
     </style>
 
+    <!--
     <style name="ThemeOverlay.Vector.HomeFilterTabLayout" parent="Theme.Vector.Launcher">
+    -->
+    <!-- SC: no parent -> follow accent -->
+    <style name="ThemeOverlay.Vector.HomeFilterTabLayout" parent="">
         <item name="colorSurface">?vctr_toolbar_background</item>
         <item name="colorOnSurface">?vctr_content_secondary</item>
     </style>

vector/src/main/res/layout/fragment_new_chat_bottom_sheet.xml

@@ -17,6 +17,7 @@
         android:text="@string/start_chat"
         android:textColor="?vctr_content_primary"
         android:textSize="16sp"
+        app:drawableTint="?vctr_content_secondary"
         app:drawableStartCompat="@drawable/ic_chat" />
 
     <TextView
@@ -31,6 +32,7 @@
         android:text="@string/create_room"
         android:textColor="?vctr_content_primary"
         android:textSize="16sp"
+        app:drawableTint="?vctr_content_secondary"
         app:drawableStartCompat="@drawable/ic_room_add" />
 
     <TextView
@@ -45,6 +47,7 @@
         android:text="@string/explore_rooms"
         android:textColor="?vctr_content_primary"
         android:textSize="16sp"
+        app:drawableTint="?vctr_content_secondary"
         app:drawableStartCompat="@drawable/ic_room_explore" />
 
 </LinearLayout>