Update guest v2 home and tasks experience

resources/js/admin/mobile/ProfileAccountPage.tsx

@@ -54,6 +54,7 @@ const TENANT_BRANDING_DEFAULTS = {
   buttonPrimary: DEFAULT_EVENT_BRANDING.buttons?.primary ?? DEFAULT_EVENT_BRANDING.primaryColor,
   buttonSecondary: DEFAULT_EVENT_BRANDING.buttons?.secondary ?? DEFAULT_EVENT_BRANDING.secondaryColor,
   linkColor: DEFAULT_EVENT_BRANDING.buttons?.linkColor ?? DEFAULT_EVENT_BRANDING.secondaryColor,
+  welcomeMessage: '',
   fontSize: DEFAULT_EVENT_BRANDING.typography?.sizePreset ?? 'm',
   logoMode: DEFAULT_EVENT_BRANDING.logo?.mode ?? 'emoticon',
   logoPosition: DEFAULT_EVENT_BRANDING.logo?.position ?? 'left',
@@ -263,6 +264,7 @@ export default function MobileProfileAccountPage() {
           body_font: brandingForm.bodyFont,
           font_size: brandingForm.fontSize,
           mode: brandingForm.mode,
+          welcome_message: brandingForm.welcomeMessage.trim() ? brandingForm.welcomeMessage.trim() : null,
           typography: {
             ...(typeof existingBranding.typography === 'object' ? (existingBranding.typography as Record<string, unknown>) : {}),
             heading: brandingForm.headingFont,