Escovitch Fish Sliders

Name: Escovitch Fish Sliders
Ingredients: 4 or 5 allspice berries; 2 sprigs fresh thyme; 1 small Scotch bonnet or habanero chile, scored and left whole; 2 cloves garlic, 1 grated and 1 crushed; 1 tablespoon grated ginger; 1 teaspoon sugar; 1/2 cup malt vinegar; Kosher salt and freshly ground black pepper; 1 carrot, cut into matchsticks; 1 small red onion, thinly sliced; 1 small red bell pepper, thinly sliced; 1 small yellow bell pepper, thinly sliced; 1/4 cup mayonnaise; 1 heaping tablespoon sweet chile sauce; Juice of 1/2 lime; 1 scallion, minced; 1 1/4 pounds skinless thick snapper fillets (about 3 fillets); Vegetable oil, for brushing; One 12-ounce package (12 rolls) sweet dinner rolls, such as King's Hawaiian, split and lightly toasted