patch SQL injection opportunities [LOW RISK] (#234)

server/endpoints/admin.js

server/endpoints/api/admin/index.js

server/endpoints/api/workspace/index.js

server/endpoints/chat.js

server/endpoints/invite.js

server/endpoints/system.js

server/endpoints/workspaces.js

server/models/invite.js

server/models/user.js

server/models/workspace.js

server/package.json

server/utils/middleware/validApiKey.js

server/yarn.lock