perf: optimize Login GORM query with select-specific-columns, specific preloads, and remove the redundant First(company) query

perf: completely fix N+1 query problem and select * in ListCompanies, ListBranches, and GetCurrentUser middleware

perf: optimize ListUsers and ListCompanies with database-level pagination and search

feat: add company_address to tenant registration request payload

feat: migrate warungpos backend to Go with Tripay