FIX-OCT-1521: Dont apply allocation multisig messages outside AW

backend/app/modules/multisig_signatures/controller.py

@@ -3,6 +3,7 @@
 from app.modules.dto import SignatureOpType
 from app.modules.multisig_signatures.dto import Signature, ApprovedSignatureTypes
 from app.modules.registry import get_services
+from app.exceptions import InvalidEpoch
 
 
 def get_last_pending_signature(
@@ -43,14 +44,22 @@ def apply_pending_allocation_signature(signature_id: int):
 
 
 def _apply(op_type: SignatureOpType, signature_id):
-    context = _get_context(op_type)
+    try:
+        context = _get_context(op_type)
+    except InvalidEpoch:
+        return None
+
     service = get_services(context.epoch_state).multisig_signatures_service
 
     service.apply_staged_signatures(context, signature_id)
 
 
 def _approve(op_type: SignatureOpType) -> list[Signature]:
-    context = _get_context(op_type)
+    try:
+        context = _get_context(op_type)
+    except InvalidEpoch:
+        return []
+
     service = get_services(context.epoch_state).multisig_signatures_service
 
     return service.approve_pending_signatures(context)