Fix filtered_members models updates

src/backend/models/proxy.py

@@ -1,6 +1,7 @@
 # Copyright Mirage authors & contributors <https://github.com/mirukana/mirage>
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
+from copy import copy
 from typing import TYPE_CHECKING, Any, Dict, Optional
 
 from . import SyncId
@@ -40,7 +41,7 @@ class ModelProxy(Model):
         they should be converted to a same `ModelItem`
         subclass by overriding this function.
         """
-        return item
+        return copy(item)
 
 
     def source_item_set(

src/backend/presence.py

@@ -12,8 +12,12 @@ if TYPE_CHECKING:
 
 ORDER: Dict[str, int] = {
     "online":           0,
-    "unavailable": 1,
-    "offline":     2,
+    "echo_online":      1,
+    "unavailable":      2,
+    "echo_unavailable": 3,
+    "invisible":        4,
+    "echo_invisible":   5,
+    "offline":          6,
 }
 
 
@@ -50,7 +54,6 @@ class Presence:
             cleared when client stops (`MatrixClient._start()`).
     """
 
-
     class State(AutoStrEnum):
         offline     = auto()  # can mean offline, invisible or unknwon
         unavailable = auto()
@@ -64,7 +67,6 @@ class Presence:
         def __lt__(self, other: "Presence.State") -> bool:
             return ORDER[self.value] < ORDER[other.value]
 
-
     presence:         State    = State.offline
     currently_active: bool     = False
     last_active_at:   datetime = datetime.fromtimestamp(0)