Fixes:

• Fixed backwards-incompatible Docker image change; docker run ... nearprotocol/nearcore:latest sh -c '...' work again like before.
• Added information whether node is a validator back to status line.

CODE_COLOR: CODE_GREEN_TESTNET
RELEASE_VERSION: 1.25.0-rc.2
PROTOCOL_UPGRADE: FALSE
DATABASE_UPGRADE: FALSE
SECURITY_UPGRADE: FALSE