Make some of the bags use an icon of their own rather than the default briefcase icon (Original idea by @sydch)

Adds icons for carrying the following bags

• Thermite Cage (No Rest for the Wicked & First World Bank)
• Rare Minerals (Road Rage & Boys In Blue)
• Jewelry (Dirty Ice, Diamond District & Touch The Sky)
• Clean Jewelry & Rare Stone (Dirty Ice & Diamond District)
• Electronic Components (99 Boxes & Delivery Charge)
• Meth Ingredients (Cook Off)
• Thermal Lance and Zip-Line Bag
• Objective paintings from Under The Surphaze (Greg, Pedro, Uma & Secret Painting)

Short Disclaimer: The thermite cage bag is classified as EquipmentBag, so any bags that are also classified as such will use the thermite cage icon. Shouldn't be a problem.

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