menu: add icons for all system entries

src/opnsense/mvc/app/models/OPNsense/Base/Menu/Menu.xml

@@ -22,8 +22,8 @@
             </History>
             <Backups url="/diag_backup.php"/>
         </ConfigManager>
-        <CrashReporter VisibleName="Crash Reporter" url="/crash_reporter.php"/>
-        <Firmware url="/ui/core/firmware/"/>
+        <CrashReporter VisibleName="Crash Reporter" url="/crash_reporter.php" cssClass="fa fa-ticket"/>
+        <Firmware url="/ui/core/firmware/" cssClass="fa fa-cloud-download"/>
         <HighAvailability VisibleName="High Availability" cssClass="fa fa-refresh">
             <Synchronization url="/system_hasync.php"/>
             <CARPStatus order="100" visibleName="CARP Status" url="/carp_status.php"/>
@@ -45,7 +45,7 @@
                 <Groups url="/status_gateway_groups.php"/>
             </Status>
         </Gateways>
-        <Settings url="/system_general.php">
+        <Settings url="/system_general.php" cssClass="fa fa-cogs">
             <General VisibleName="General" url="/system_general.php"/>
             <Admin_Access VisibleName="Admin Access" url="/system_advanced_admin.php"/>
             <Firewall_NAT VisibleName="Firewall/NAT" url="/system_advanced_firewall.php"/>
@@ -54,10 +54,10 @@
             <System_Tunables VisibleName="System Tunables" url="/system_advanced_sysctl.php"/>
             <Notifications url="/system_advanced_notifications.php"/>
         </Settings>
-        <SetupWizard VisibleName="Setup Wizard" url="/wizard.php">
+        <SetupWizard VisibleName="Wizard" url="/wizard.php" cssClass="fa fa-magic">
             <Step url="/wizard.php*"/>
         </SetupWizard>
-        <UserManager VisibleName="User Manager" url="/system_usermanager.php">
+        <UserManager VisibleName="Users" url="/system_usermanager.php" cssClass="fa fa-users">
             <Users url="/system_usermanager.php"/>
             <Groups url="/system_groupmanager.php"/>
             <Settings url="/system_usermanager_settings.php"/>