feat(admin): support user profile editing, password resetting, and email column with search

- Add UpdateUser API and logics supporting nickname, email, admin flag modification, and password reset.
- Relocate user delete button and confirmation Alert into the EditUserModal.
- Optimize admin Switch change to trigger instant API request with rollback support.
- Fix missing email field in edit form initialization by fetching full profile metadata.
- Render email column in users list and support email-based filtering in UserFilterBar.
- Remove hardcoded styles and sizes from Switch components to follow global theme.

internal/router/v1/admin.go

@@ -99,6 +99,7 @@ func registerAdminIAMRoutes(adminRouter *gin.RouterGroup) {
 		users.POST("", admin_user.CreateUser)
 		users.GET("/:id", admin_user.GetUser)
 		users.PUT("/:id/status", admin_user.UpdateUserStatus)
+		users.PUT("/:id", admin_user.UpdateUser)
 		users.DELETE("/:id", admin_user.DeleteUser)
 	}