river-status: send view_tags on view map/unmap

 river/Output.zig | 5 +++++
 river/Root.zig   | 5 +----
 river/View.zig   | 4 ++++
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/river/Output.zig b/river/Output.zig
index 09e1168..d97ebfb 100644
--- a/river/Output.zig
+++ b/river/Output.zig
@@ -180,6 +180,11 @@ pub fn getRenderer(self: Self) *c.wlr_renderer {
     return c.river_wlr_backend_get_renderer(self.wlr_output.backend);
 }
 
+pub fn sendViewTags(self: Self) void {
+    var it = self.status_trackers.first;
+    while (it) |node| : (it = node.next) node.data.sendViewTags();
+}
+
 const MasterPosition = enum {
     Top,
     Right,
diff --git a/river/Root.zig b/river/Root.zig
index 2b229b0..d4a22b1 100644
--- a/river/Root.zig
+++ b/river/Root.zig
@@ -246,10 +246,7 @@ fn commitTransaction(self: *Self) void {
             view.dropStashedBuffer();
         }
 
-        if (view_tags_changed) {
-            var it = output.status_trackers.first;
-            while (it) |node| : (it = node.next) node.data.sendViewTags();
-        }
+        if (view_tags_changed) output.sendViewTags();
     }
 
     // Iterate over all seats and update focus
diff --git a/river/View.zig b/river/View.zig
index 7929673..b67b902 100644
--- a/river/View.zig
+++ b/river/View.zig
@@ -248,6 +248,8 @@ pub fn map(self: *Self) void {
 
     c.wlr_surface_send_enter(self.wlr_surface.?, self.output.wlr_output);
 
+    self.output.sendViewTags();
+
     root.arrange();
 }
 
@@ -268,6 +270,8 @@ pub fn unmap(self: *Self) void {
     const node = @fieldParentPtr(ViewStack(Self).Node, "view", self);
     self.output.views.remove(node);
 
+    self.output.sendViewTags();
+
     root.arrange();
 }