No more crashes due to tips, real problem still not solved.
Fixed UI thread violations errors.
Fixed (just for now this solution)
java.lang.NullPointerException
	at
com.frostwire.gui.library.LibraryExplorer$SearchByMediaTypeRunnable.search(Unknown
Source)
Another fix for UI thread violation.
Protection against potential UI errors.
Fix for UI thread violation error.
Ignore some NPE, just until we refactor this.
More protection to UI errors, pending general refactor.
Another possible UI protection.
Merge branch '5.5.4-fixes'