Preheat The Oven'S Broiler And Set The Oven Rack About 6 Inches From The Heat Source. Heat Olive Oil In A Saucepan Over Medium Heat. Stir In The Garlic And Onion; Cook And Stir Until The Onion Begins To Soften, About 2 Minutes. Add The Red Bell Pepper, Papaya, And Habanero Pepper. Continue Cooking A Few More Minutes Until The Bell Pepper Begins To Soften. Stir Together The Cornstarch, Water, And 2 Tablespoons Of Lime Juice. Stir Into The Papaya Sauce Until Thickened, Stirring Constantly. Keep The Sauce Warm Over Very Low Heat. Stir 1 Tablespoon Of Lime Juice Together With The Melted Butter, And Brush On The Mahi Mahi Fillets. Place Onto A Broiler Pan. Cook Under The Preheated Broiler For 4 Minutes, Then Turn The Fish Over, And Continue Cooking For 4 Minutes More. Sprinkle The Almonds Over The Fish And Return To The Broiler Until The Almonds Are Crisp And The Fish Flakes Easily With A Fork, About 2 Minutes. Season To Taste With Salt And Serve With The Papaya Sauce.