Pre-package Calls v0.6.0 and enable it by default (#20388)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/plugin.go

@@ -1121,8 +1121,8 @@ func (ch *Channels) getPluginStateOverride(pluginID string) (bool, bool) {
 			return true, false
 		}
 	case model.PluginIdCalls:
-		if model.IsCloud() {
-			return true, ch.cfgSvc.Config().FeatureFlags.CallsEnabled
+		if !ch.cfgSvc.Config().FeatureFlags.CallsEnabled {
+			return true, false
 		}
 	}