fix(satellite): add METEOR-M2 to weather satellite handoff keys

METEOR-M2 (NORAD 40069) is a weather satellite with LRPT downlink but
was missing from WEATHER_SAT_KEYS, so no capture button appeared in
the pass list. Adds it alongside M2-3 and M2-4.

templates/satellite_dashboard.html

@@ -2151,7 +2151,7 @@
 
         // Satellites that can be handed off to the weather-satellite capture mode
         const WEATHER_SAT_KEYS = new Set([
-            'METEOR-M2-3', 'METEOR-M2-4'
+            'METEOR-M2', 'METEOR-M2-3', 'METEOR-M2-4'
         ]);
 
         function renderPassList() {