Translate all user-facing text to English and update UI elements

This commit addresses the user's request to translate all visible text within the application to English. It also updates the login modal to display the SAPIENS logo correctly. Additionally, various UI components and messages related to articles, community posts, auctions, and login/error handling have been localized.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 9a264234-c5d7-4dcc-adf3-a954b149b30d
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/9a264234-c5d7-4dcc-adf3-a954b149b30d/CMG42YQ

client/src/pages/Landing.tsx

@@ -238,7 +238,14 @@ export default function Landing() {
       <Dialog open={showLoginModal} onOpenChange={setShowLoginModal}>
         <DialogContent className="sm:max-w-md" data-testid="modal-login">
           <DialogHeader>
-            <DialogTitle>Login to SAPIENS</DialogTitle>
+            <DialogTitle className="flex items-center gap-2">
+              <span>Login to</span>
+              <img 
+                src="/attached_assets/logo_black_1759181850935.png" 
+                alt="SAPIENS" 
+                className="h-4 w-auto"
+              />
+            </DialogTitle>
           </DialogHeader>
           <form onSubmit={handleLoginSubmit} className="space-y-4">
             <div>