Fixed lock/unlock error

main.py

@@ -74,12 +74,12 @@ async def fastapi_is_locked(network: str):
 
 @app.post("/lockproject/")
 async def fastapi_lock_project(network: str, id: str):
-    lockedPrjs[str] = id
+    lockedPrjs[network] = id
     return True
 
 @app.post("/unlockproject/")
 async def fastapi_unlock_project(network: str):
-    del lockedPrjs[str]
+    del lockedPrjs[network]
     return True
 
 # undo/redo