Fix data uncompression at NimbleEmojiIndex constructor

[ekvedaras]

uncompress function does not return anything. It manipulates data object instead. Therefore, after uncompression data becames undefined and index is empty

[serebrov]

Note that besides the NimbleEmojiIndex constructor, the uncompress is also called here - https://github.com/jm-david/emoji-mart-vue/blob/master/src/components/picker/nimblePicker.vue#L140

[ekvedaras]

Updated remaining usages I've found of uncompress

[darivs]

please merge

[deen13]

plleeeaaaaasssseee

[deen13]

I'd like some merge

[ekvedaras]

This clearly dead and no longer relevant :)