fix(teams): say "game server", not "shard", on the never-synced Teams panel

Admin → Teams told an operator that an unsynced projection "is not a
confirmed empty shard". Teams is a core primitive and core's word for the
host is the game server; "shard" is Ultima Online's. The detail now reads
"What is shown below does not confirm that the game server has no Teams."

The matching test, and the four comments that said "shard" about the same
state, follow it. Found while making runicgateway.com's core docs
game-neutral (runicgateway.com#34), which had to paraphrase this line
rather than quote it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY

client/src/routes/admin/views/TeamsAdmin.jsx

@@ -14,7 +14,7 @@ import TeamVoice from './TeamVoice.jsx'
 // Three panels, in the order an operator needs them:
 //
 //   1. **Sync state**, verbatim, including the last error. The screen's first job
-//      is to make "the shard has no Teams" and "core has not been able to ask for
+//      is to make "the game server has no Teams" and "core has not been able to ask for
 //      two hours" impossible to confuse — they render almost identically
 //      otherwise, and one is fine while the other is an outage.
 //   2. **The review queue** — Teams auto-hidden because their name matched the