Shortcuts for Layouts and Help menu actions

They were missing. This should really be all actions now, there's none
left without shortcut assignability as far as I can tell. The Layouts
shortcut is F8 by default.

ChangeLog

@@ -33,6 +33,7 @@ Unreleased Version 2.2.0-pre
  * Fix: Don't tabify the now invisible-by-default timeline and onion skins by default. Thanks Ben for finding.
  * Fix: Make the flipbook remember your last crop, frame range and playback speed for the current window. Thanks Ben for finding.
  * Fix: Don't mark guests as registered. Thanks to xxxx for reporting.
+ * Fix: Allow assigning a shortcut to open the Layouts dialog (F9 by default) and to the entries in the Help menu (nothing by default.)
 
 2023-07-31 Version 2.2.0-beta.6
  * Fix: Don't forget account password when entering a wrong session password.

src/desktop/mainwindow.cpp

@@ -3196,7 +3196,7 @@ void MainWindow::setupActions()
 	//
 	// View menu
 	//
-	QAction *layoutsAction = makeAction("layouts", tr("&Layouts...")).icon("window_");
+	QAction *layoutsAction = makeAction("layouts", tr("&Layouts...")).icon("window_").shortcut("F9");
 
 	QAction *toolbartoggles = new QAction(tr("&Toolbars"), this);
 	toolbartoggles->setMenu(toggletoolbarmenu);
@@ -3677,12 +3677,12 @@ void MainWindow::setupActions()
 	//
 	// Help menu
 	//
-	QAction *homepage = makeAction("dphomepage", tr("&Homepage")).statusTip(cmake_config::website());
-	QAction *tablettester = makeAction("tablettester", tr("Tablet Tester"));
-	QAction *showlogfile = makeAction("showlogfile", tr("Log File"));
-	QAction *about = makeAction("dpabout", tr("&About Drawpile")).menuRole(QAction::AboutRole);
-	QAction *aboutqt = makeAction("aboutqt", tr("About &Qt")).menuRole(QAction::AboutQtRole);
-	QAction *versioncheck = makeAction("versioncheck", tr("Check For Updates"));
+	QAction *homepage = makeAction("dphomepage", tr("&Homepage")).statusTip(cmake_config::website()).noDefaultShortcut();
+	QAction *tablettester = makeAction("tablettester", tr("Tablet Tester")).noDefaultShortcut();
+	QAction *showlogfile = makeAction("showlogfile", tr("Log File")).noDefaultShortcut();
+	QAction *about = makeAction("dpabout", tr("&About Drawpile")).menuRole(QAction::AboutRole).noDefaultShortcut();
+	QAction *aboutqt = makeAction("aboutqt", tr("About &Qt")).menuRole(QAction::AboutQtRole).noDefaultShortcut();
+	QAction *versioncheck = makeAction("versioncheck", tr("Check For Updates")).noDefaultShortcut();
 
 	connect(homepage, &QAction::triggered, &MainWindow::homepage);
 	connect(about, &QAction::triggered, &MainWindow::about);