PICARD-2629: Add keyboard shortcut for "Search for similar albums"

Also add this action to the tools menu. Use the same shortcut as for "Search for similar tracks", as only either one or another can be enabled.

picard/ui/mainwindow.py

@@ -660,6 +660,8 @@ def _create_submit_file_as_release_action(self):
     def _create_album_search_action(self):
         action = QtWidgets.QAction(icontheme.lookup('system-search'), _("Search for similar albums..."), self)
         action.setStatusTip(_("View similar releases and optionally choose a different release"))
+        action.setEnabled(False)
+        action.setShortcut(QtGui.QKeySequence(_("Ctrl+T")))
         action.triggered.connect(self.show_more_albums)
         self.album_search_action = action
 
@@ -1039,6 +1041,7 @@ def create_menus(self):
         menu.addAction(self.cluster_action)
         menu.addAction(self.browser_lookup_action)
         menu.addAction(self.track_search_action)
+        menu.addAction(self.album_search_action)
         menu.addAction(self.album_other_versions_action)
         menu.addSeparator()
         menu.addAction(self.generate_fingerprints_action)
@@ -1522,6 +1525,7 @@ def update_actions(self):
         can_browser_lookup = bool(single and single.can_browser_lookup())
         is_file = bool(single and isinstance(single, (File, Track)))
         is_album = bool(single and isinstance(single, Album))
+        is_cluster = bool(single and isinstance(single, Cluster))
 
         if not self.selected_objects:
             have_objects = have_files = False
@@ -1573,6 +1577,7 @@ def update_actions(self):
         files = self.get_selected_or_unmatched_files()
         self.tags_from_filenames_action.setEnabled(bool(files))
         self.track_search_action.setEnabled(is_file)
+        self.album_search_action.setEnabled(is_cluster)
         self.album_other_versions_action.setEnabled(is_album)
 
     def update_selection(self, objects=None, new_selection=True, drop_album_caches=False):