[License module] Fix casing in licenses, allow multiple uploads properly handle dirty states in frontend

database/migrations/2026_05_25_142250_create_licenses_table.php

@@ -18,7 +18,7 @@ public function up(): void
             $table->string('product');
             $table->string('version');
             $table->boolean('is_perpetual');
-            $table->string('expiration_date')->nullable();;
+            $table->string('expiration_date')->nullable();
             $table->string('signature');
             $table->timestamps();
         });