fix: dont include installing servers in service discovery (#2569)

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## Changes

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Author: MasterPtato

packages/core/api/provision/src/route/datacenters.rs

@@ -75,6 +75,8 @@ pub async fn servers(
 		servers: servers_res
 			.servers
 			.into_iter()
+			// Filter out installing servers
+			.filter(|server| server.install_complete_ts.is_some())
 			.map(ApiInto::api_into)
 			.collect(),
 	})