Slight layout change, keep id on single line

OpenKeychain/src/main/res/layout/api_select_identity_item.xml

@@ -30,6 +30,8 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
+            android:maxLines="1"
+            android:ellipsize="end"
             tools:text="Use key: look@my.amazin.horse"
             />