MM-20642 - Failed to install marketplace plugin on older mattermost servers (#13237)

Automatic Merge

app/plugin.go

@@ -432,7 +432,7 @@ func (a *App) GetMarketplacePlugin(request *model.InstallMarketplacePluginReques
 		return nil, model.NewAppError("GetMarketplacePlugin", "app.plugin.marketplace_client.app_error", nil, err.Error(), http.StatusInternalServerError)
 	}
 
-	filter := &model.MarketplacePluginFilter{Filter: request.Id}
+	filter := &model.MarketplacePluginFilter{Filter: request.Id, ServerVersion: model.CurrentVersion}
 	plugin, err := marketplaceClient.GetPlugin(filter, request.Version)
 	if err != nil {
 		return nil, model.NewAppError("GetMarketplacePlugin", "app.plugin.marketplace_plugins.not_found.app_error", nil, err.Error(), http.StatusInternalServerError)