Refactor ConnectionState to a shared enum

src/utils/jellyfin-apiclient/ConnectionState.ts

@@ -0,0 +1,10 @@
+/**
+ * Server state values for a connected server used by jellyfin-apiclient.
+ */
+export enum ConnectionState {
+    SignedIn = 'SignedIn',
+    ServerSignIn = 'ServerSignIn',
+    ServerSelection = 'ServerSelection',
+    ServerUpdateNeeded = 'ServerUpdateNeeded',
+    Unavailable = 'Unavailable'
+}