fix(fuselage): add a11y warning and enforce default type="button" for Buttons#1814

Kalpana-chavhan wants to merge 2 commits intoRocketChat:mainRocketChat/fuselage:mainfrom

Kalpana-chavhan:fix/button-a11y-and-type-safetyKalpana-chavhan/fuselage:fix/button-a11y-and-type-safetyCopy head branch name to clipboard