matrix-js-sdk

cabe14d7 - replace .at(-1) with array.length-1 (#3080) (#3081)

replace .at(-1) with array.length-1 (#3080) (#3081) (cherry picked from commit baeb4acddf718eea7e286761a5c9ee5136993a88) Co-authored-by: Germain <germains@element.io>