watchdogs: make healthy-state outputs always visible

log() is gated on ENABLE_LOGGING — silent on normal runs. Healthy
confirmations (All healthy, Network healthy, Storage healthy, WebGUI
healthy) were invisible, making banners appear with nothing after them.
Switched all four to plain echo so they show every cycle.

Watchdogs/docker_watchdog.sh

@@ -937,5 +937,5 @@ CYCLE_START=$(date +%s)
         echo "$ICON_TIME      Duration: $(format_duration $(( CYCLE_END - CYCLE_START )))"
         echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
     else
-        log "All healthy ✅ ($(date '+%H:%M:%S'))"
+        echo "All healthy ✅ ($(date '+%H:%M:%S'))"
     fi