Add read_channel_content permission (#24018)

* Add read_channel_content permission

* fix tests

* update system console default permissions per role

* add read_channel_content to e2e defaultRolesPermissions

---------

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

server/channels/api4/integration_action.go

@@ -44,13 +44,13 @@ func doPostAction(c *Context, w http.ResponseWriter, r *http.Request) {
 			c.Err = model.NewAppError("DoPostAction", "api.post.do_action.action_integration.app_error", nil, "", http.StatusBadRequest).Wrap(err)
 			return
 		}
-		if !c.App.SessionHasPermissionToChannel(c.AppContext, *c.AppContext.Session(), cookie.ChannelId, model.PermissionReadChannel) {
-			c.SetPermissionError(model.PermissionReadChannel)
+		if !c.App.SessionHasPermissionToChannel(c.AppContext, *c.AppContext.Session(), cookie.ChannelId, model.PermissionReadChannelContent) {
+			c.SetPermissionError(model.PermissionReadChannelContent)
 			return
 		}
 	} else {
-		if !c.App.SessionHasPermissionToChannelByPost(*c.AppContext.Session(), c.Params.PostId, model.PermissionReadChannel) {
-			c.SetPermissionError(model.PermissionReadChannel)
+		if !c.App.SessionHasPermissionToChannelByPost(*c.AppContext.Session(), c.Params.PostId, model.PermissionReadChannelContent) {
+			c.SetPermissionError(model.PermissionReadChannelContent)
 			return
 		}
 	}
@@ -108,8 +108,8 @@ func submitDialog(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	submit.UserId = c.AppContext.Session().UserId
 
-	if !c.App.SessionHasPermissionToChannel(c.AppContext, *c.AppContext.Session(), submit.ChannelId, model.PermissionReadChannel) {
-		c.SetPermissionError(model.PermissionReadChannel)
+	if !c.App.SessionHasPermissionToChannel(c.AppContext, *c.AppContext.Session(), submit.ChannelId, model.PermissionReadChannelContent) {
+		c.SetPermissionError(model.PermissionReadChannelContent)
 		return
 	}