[TF2 SDK] SDK UI changes include unlocalized strings

[Tkain]

The UI changes present in the TF2 SDK include new messages meant to highlight the read-only access of mods to TF2 players' inventories. However, these strings are currently unlocalized, meaning that they display as their IDs rather than their intended messages.

The affected messages include:

• #TF_SDK_LocalLoadout, present in game/mod_tf/resource/ui/CharInfoPanel.res
• #TF_SDK_ResetLoadout_Title, present in src/game/shared/tf/tf_item_inventory.cpp
• #TF_SDK_ResetLoadout_Desc, present in src/game/shared/tf/tf_item_inventory.cpp