Fix NimBLE_Stream_Server NUS compatibility: use standard two-characteristic layout#1140

Copilot wants to merge 3 commits intomasterh2zero/NimBLE-Arduino:masterfrom

copilot/fix-nimble-stream-server-compatibilityh2zero/NimBLE-Arduino:copilot/fix-nimble-stream-server-compatibilityCopy head branch name to clipboard