Bugfix: Don’t hide assigned clients to inactive but visible workspaces (Thanks xeen)

src/workspace.c

@@ -45,3 +45,13 @@ void workspace_set_name(Workspace *ws, const char *name) {
 
         free(label);
 }
+
+/*
+ * Returns true if the workspace is currently visible. Especially important for
+ * multi-monitor environments, as they can have multiple currenlty active
+ * workspaces.
+ *
+ */
+bool workspace_is_visible(Workspace *ws) {
+        return (ws->screen->current_workspace == ws->num);
+}