Added asset import conflict resolution option to prepend folder name
Cleanups of Project Importer and fixed importing of material and terrain materials, specifically, fallbacks in the event they are unnamed to utilize the mapTo and internalName fields, respectively
Fixed typos in guiTerrainMaterialDlg
Added AssetBrowser button to GuiEditor
Improved FileObject's PeekLine function to be able to peek forward further via an optional lineOffset argument
Processed core, tools and default modules to utilize assets
Converted all console types that were string based, such as TypeImageFilename to utilize const char*/the string table, which avoids a lot of type swapping shenanigans and avoids string corruption
Removed unneeded MainEditor mockup module
Removed some unused/duplicate image assets from the tools
