[FIX] Fix REST spotlight to allow searches with # and @ (#10410)

packages/rocketchat-api/package.js

packages/rocketchat-api/server/v1/misc.js

packages/rocketchat-api/server/v1/spotlight.js

packages/rocketchat-ui-sidenav/client/toolbar.js

server/publications/spotlight.js

tests/end-to-end/api/00-miscellaneous.js

tests/end-to-end/api/11-spotlight.js