Crash when copying word to clipboard

[caarmen]

• search for a word
• in the result list, tap on the word
• in the popup menu, select "copy"
• very quickly scroll so that the word is just hidden
• expected behavior: the word is copied to the clipboard and a snackbar appears saying it's copied
• actual behavior: crash:

  01-06 14:28:32.683 18696 18696 E AndroidRuntime: FATAL EXCEPTION: main
  01-06 14:28:32.683 18696 18696 E AndroidRuntime: Process: ca.rmen.android.poetassistant.test, PID: 18696
  01-06 14:28:32.683 18696 18696 E AndroidRuntime: java.lang.IllegalArgumentException: No suitable parent found from the given view. Please provide a valid view.
  01-06 14:28:32.683 18696 18696 E AndroidRuntime:        at android.support.design.widget.Snackbar.make(Snackbar.java:137)
  01-06 14:28:32.683 18696 18696 E AndroidRuntime:        at android.support.design.widget.Snackbar.make(Snackbar.java:170)
  01-06 14:28:32.683 18696 18696 E AndroidRuntime:        at ca.rmen.android.poetassistant.main.TextPopupMenu$handleItemClicked$1.run(TextPopupMenu.kt:151)