feat(estimate): refine layout, add full view modal, update table columns, and remove reference images

src/components/Layout.jsx

@@ -5,7 +5,7 @@ import { useTheme } from '../context/ThemeContext';
 import {
     LayoutDashboard, Map, Calendar, LogOut, User, Home, MessageSquare,
     ChevronLeft, ChevronRight, Sun, Moon, Trophy, Users, Briefcase,
-    FileText, Menu, X
+    FileText, Menu, X, Calculator
 } from 'lucide-react';
 
 import PageTransition from './PageTransition';
@@ -144,6 +144,7 @@ const Layout = () => {
                         icon: LayoutDashboard, // Placeholder icon, maybe change later
                         label: <span><span className="text-[#fda913]">Pro</span>Canvas</span>
                     },
+                    { to: "/owner/estimate", icon: Calculator, label: "Estimate Builder" },
                     { to: "/admin/schedule", icon: Calendar, label: "Team Schedule" },
                     { to: "/admin/leaderboard", icon: Trophy, label: "Leaderboard" },
                     ...commonItems,
@@ -159,6 +160,7 @@ const Layout = () => {
                         icon: LayoutDashboard,
                         label: <span><span className="text-[#fda913]">Pro</span>Canvas</span>
                     },
+                    { to: "/admin/estimate", icon: Calculator, label: "Estimate Builder" },
                     ...commonItems,
                 ];
             case 'CONTRACTOR':
@@ -183,6 +185,7 @@ const Layout = () => {
                         icon: LayoutDashboard,
                         label: <span><span className="text-[#fda913]">Pro</span>Canvas</span>
                     },
+                    { to: "/emp/fa/estimate", icon: Calculator, label: "Estimate Builder" },
                     ...commonItems,
                 ];
             default: // Customer or Fallback