Improve button behaviour in book detail pages slightly

This ensures that button text is ellipsized and buttons only ever have
a single line of text. This at least stops buttons causing havoc on
very small screens.

Affects: https://ebce-lyrasis.atlassian.net/browse/PP-631

simplified-ui-catalog/src/main/java/org/librarysimplified/ui/catalog/CatalogButtons.kt

@@ -2,6 +2,7 @@ package org.librarysimplified.ui.catalog
 
 import android.content.Context
 import android.content.res.ColorStateList
+import android.text.TextUtils
 import android.util.TypedValue
 import android.view.Gravity
 import android.view.View
@@ -73,6 +74,8 @@ class CatalogButtons(
     button.text = this.context.getString(text)
     button.contentDescription = this.context.getString(description)
     button.layoutParams = this.buttonLayoutParameters(heightMatchParent)
+    button.maxLines = 1
+    button.ellipsize = TextUtils.TruncateAt.END
     button.setOnClickListener {
       button.isEnabled = false
       onClick.invoke(button)