MM-56879: Migrate caches from store layer to cache layer (#26255)

There were 3 remaining caches which were there in the store layer.
We migrate them to make the store layer fully free
from any caches.

https://mattermost.atlassian.net/browse/MM-56879

```release-note
NONE
```

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/platform/web_hub.go

@@ -165,24 +165,12 @@ func (ps *PlatformService) HubUnregister(webConn *WebConn) {
 
 func (ps *PlatformService) InvalidateCacheForChannel(channel *model.Channel) {
 	ps.Store.Channel().InvalidateChannel(channel.Id)
-	ps.invalidateCacheForChannelByNameSkipClusterSend(channel.TeamId, channel.Name)
-
-	if ps.clusterIFace != nil {
-		nameMsg := &model.ClusterMessage{
-			Event:    model.ClusterEventInvalidateCacheForChannelByName,
-			SendType: model.ClusterSendBestEffort,
-			Props:    make(map[string]string),
-		}
-
-		nameMsg.Props["name"] = channel.Name
-		if channel.TeamId == "" {
-			nameMsg.Props["id"] = "dm"
-		} else {
-			nameMsg.Props["id"] = channel.TeamId
-		}
-
-		ps.clusterIFace.SendClusterMessage(nameMsg)
+	teamID := channel.TeamId
+	if teamID == "" {
+		teamID = "dm"
 	}
+
+	ps.Store.Channel().InvalidateChannelByName(teamID, channel.Name)
 }
 
 func (ps *PlatformService) InvalidateCacheForChannelMembers(channelID string) {
@@ -192,16 +180,7 @@ func (ps *PlatformService) InvalidateCacheForChannelMembers(channelID string) {
 }
 
 func (ps *PlatformService) InvalidateCacheForChannelMembersNotifyProps(channelID string) {
-	ps.invalidateCacheForChannelMembersNotifyPropsSkipClusterSend(channelID)
-
-	if ps.clusterIFace != nil {
-		msg := &model.ClusterMessage{
-			Event:    model.ClusterEventInvalidateCacheForChannelMembersNotifyProps,
-			SendType: model.ClusterSendBestEffort,
-			Data:     []byte(channelID),
-		}
-		ps.clusterIFace.SendClusterMessage(msg)
-	}
+	ps.Store.Channel().InvalidateCacheForChannelMembersNotifyProps(channelID)
 }
 
 func (ps *PlatformService) InvalidateCacheForChannelPosts(channelID string) {
@@ -210,19 +189,11 @@ func (ps *PlatformService) InvalidateCacheForChannelPosts(channelID string) {
 }
 
 func (ps *PlatformService) InvalidateCacheForUser(userID string) {
-	ps.InvalidateCacheForUserSkipClusterSend(userID)
+	ps.Store.Channel().InvalidateAllChannelMembersForUser(userID)
+	ps.invalidateWebConnSessionCacheForUser(userID)
 
 	ps.Store.User().InvalidateProfilesInChannelCacheByUser(userID)
 	ps.Store.User().InvalidateProfileCacheForUser(userID)
-
-	if ps.clusterIFace != nil {
-		msg := &model.ClusterMessage{
-			Event:    model.ClusterEventInvalidateCacheForUser,
-			SendType: model.ClusterSendBestEffort,
-			Data:     []byte(userID),
-		}
-		ps.clusterIFace.SendClusterMessage(msg)
-	}
 }
 
 func (ps *PlatformService) InvalidateCacheForUserTeams(userID string) {