fix: disable buttons for non leader

Code/client/Services/Generic/OverlayService.cpp

@@ -286,7 +286,7 @@ void OverlayService::OnConnectedEvent(const ConnectedEvent& acEvent) noexcept
 
     auto pArguments = CefListValue::Create();
     pArguments->SetInt(0, acEvent.PlayerId);
-    m_pOverlay->ExecuteAsync("setServerId", pArguments);
+    m_pOverlay->ExecuteAsync("setLocalPlayerId", pArguments);
 }
 
 void OverlayService::OnDisconnectedEvent(const DisconnectedEvent&) noexcept

Code/client/Services/Generic/PartyService.cpp

@@ -120,6 +120,7 @@ void PartyService::OnPartyInfo(const NotifyPartyInfo& acPartyInfo) noexcept
             pPlayerIds->SetInt(i, m_partyMembers[i]);
 
         pArguments->SetList(0, pPlayerIds);
+        pArguments->SetInt(1, acPartyInfo.LeaderPlayerId);
 
         m_world.GetOverlayService().GetOverlayApp()->ExecuteAsync("partyInfo", pArguments);
     }

Code/server/Services/PartyService.cpp

@@ -329,7 +329,6 @@ void PartyService::RemovePlayerFromParty(Player* apPlayer) noexcept
     }
 }
 
-// TODO(cosideci): why broadcast the whole list every time? Why not just the diff?
 void PartyService::BroadcastPlayerList(Player* apPlayer) const noexcept
 {
     auto pIgnoredPlayer = apPlayer;

Code/skyrim_ui/src/app/components/party-menu/party-menu.component.ts

@@ -54,15 +54,15 @@ export class PartyMenuComponent implements OnInit, OnDestroy {
     }
 
     public get isPartyLeader(): boolean {
-      return this.groupService.group.value.isEnabled && this.groupService.group.value.owner == this.clientService.localPlayerId;
+        return this.groupService.group.value.isEnabled && this.groupService.group.value.owner == this.clientService.localPlayerId;
     }
 
     public get getMembersLength(): number {
-      return this.groupService.getMembersLength();
+        return this.groupService.getMembersLength(true);
     }
 
     isLaunchPartyDisabled(): boolean {
-        return this.groupService.getMembersLength() > 1;
+        return this.groupService.getMembersLength(false) > 1;
     }
 
     public launchParty() {

Code/skyrim_ui/src/app/services/client.service.ts

@@ -618,7 +618,7 @@ export class ClientService implements OnDestroy {
       this.loadingService.setLoading(false);
       this.partyInfoChange.next(new PartyInfo(
         {
-          playerIds: [],
+          playerIds: [this.localPlayerId],
           leaderId: this.localPlayerId
         }
       ));

Code/skyrim_ui/src/app/services/group.service.ts

@@ -288,8 +288,17 @@ export class GroupService implements OnDestroy {
     }
   }
 
-  public getMembersLength(): number {
-    return (this.group.value ? this.group.value.members.length : 0);
+  public getMembersLength(excludeLocal: boolean): number {
+    if (!this.group.value) {   
+      return 0;
+    }
+
+    let members = this.group.value.members;
+    if (excludeLocal) {
+      members = members.filter(member => member !== this.clientService.localPlayerId);
+    }
+
+    return members.length;
   }
 
   public isPartyEnabled(): boolean {