Library search now works also for headers (.h) provided by libraries

Fixes #7604

Author: cmaglie

app/src/cc/arduino/contributions/libraries/ui/LibrariesIndexTableModel.java

@@ -145,8 +145,12 @@ private boolean filterCondition(ContributedLibraryReleases lib) {
     }
 
     ContributedLibrary latest = lib.getLatest();
-    String compoundTargetSearchText = latest.getName() + "\n" + latest.getParagraph()
-                                      + "\n" + latest.getSentence();
+    String compoundTargetSearchText = latest.getName() + " "
+                                      + latest.getParagraph() + " "
+                                      + latest.getSentence();
+    if (latest.getProvidesIncludes() != null) {
+      compoundTargetSearchText += " " + latest.getProvidesIncludes();
+    }
     if (!stringContainsAll(compoundTargetSearchText, selectedFilters)) {
       return false;
     }

arduino-core/src/cc/arduino/contributions/libraries/ContributedLibrary.java

@@ -65,6 +65,8 @@ public abstract class ContributedLibrary extends DownloadableContribution {
 
   public abstract List<ContributedLibraryReference> getRequires();
 
+  public abstract List<String> getProvidesIncludes();
+
   public static final Comparator<ContributedLibrary> CASE_INSENSITIVE_ORDER = (o1, o2) -> o1.getName().compareToIgnoreCase(o2.getName());
 
   private Optional<UserLibrary> installedLib = Optional.empty();