fix: last message in a channel could not be acked, resulting in ghost dms and channel messages

.github/workflows/docker.yaml

@@ -27,14 +27,12 @@ permissions:
 
 jobs:
   base:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     name: Build base image
     steps:
       # Configure build environment
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Fix https://github.com/actions/runner-images/issues/9959
-        run: sudo apt-get autopurge -y needrestart
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
@@ -59,7 +57,7 @@ jobs:
 
   publish:
     needs: [base]
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
     strategy:
       matrix:
@@ -69,8 +67,6 @@ jobs:
       # Configure build environment
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Fix https://github.com/actions/runner-images/issues/9959
-        run: sudo apt-get autopurge -y needrestart
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 

crates/core/database/src/models/channel_unreads/ops/mongodb.rs

@@ -30,7 +30,7 @@ impl AbstractChannelUnreads for MongoDb {
                 doc! {
                     "$pull": {
                         "mentions": {
-                            "$lt": message_id
+                            "$lte": message_id
                         }
                     },
                     "$set": {