Fix link opening (#512)

src/state/models/root-store.ts

@@ -119,12 +119,17 @@ export class RootStoreModel {
   /**
    * Called by the session model. Refreshes session-oriented state.
    */
-  async handleSessionChange(agent: BskyAgent) {
+  async handleSessionChange(
+    agent: BskyAgent,
+    {hadSession}: {hadSession: boolean},
+  ) {
     this.log.debug('RootStoreModel:handleSessionChange')
     this.agent = agent
     this.me.clear()
     await this.me.load()
-    resetNavigation()
+    if (!hadSession) {
+      resetNavigation()
+    }
   }
 
   /**

src/state/models/session.ts

@@ -158,11 +158,12 @@ export class SessionModel {
    */
   async setActiveSession(agent: BskyAgent, did: string) {
     this._log('SessionModel:setActiveSession')
+    const hadSession = !!this.data
     this.data = {
       service: agent.service.toString(),
       did,
     }
-    await this.rootStore.handleSessionChange(agent)
+    await this.rootStore.handleSessionChange(agent, {hadSession})
   }
 
   /**