Creating Tomb Raider CC, need help fixing a problem

Hi! I am pretty much brand-new to creating CC but couldn't find the answer to my problem anywhere.

Long story short, due to being slightly obsessed with the new Tomb Raider I-III remasters, I decided I wanted to take the grid-based floor and wall textures from that game and create CC from them to recreate locations in TS4 (as it's also grid-based it lines up nicely).

I've managed to get the textures I want, resize them, and create floor pattern CC, initially the black marble bathroom floor texture below. Having made that one, I (mistakenly) figured I could copy the package and paste it to create a new one, rename it, then open the new one in Sims4Studio to change the textures, swatches, price, tags, etc. before saving that one out and repeating the process. The main reason I did this was to save a few clicks of adding in the generic bump/specularity maps once I'd made one matte floor and one shiny one as I could copy-paste those as a starting point. And it did allow me to create packages for all the floor/ceiling textures for the third game's Croft Manor quite quickly.

The problem my copy-pasting created is that all the separate packages I've now got are all under the same floor pattern as swatches, even though I intended them to be separate floor patterns (many of which have multiple swatches, such as 'TR3 Croft Manor Gym Mat (Black)' including 9 swatches for generic, starting line, then numbers 1-7).

As such, I'm wondering if there's an ID value somewhere that can be changed in Sims4Studio so I can separate out each package to list as a separate floor pattern in build mode without having to remake all the CC (except the first one) from scratch.

Thanks!