Ticket #56719: 56719.patch

wp-content/themes/twentynineteen/sass/blocks/_blocks.scss

@@ -1046 +1046 @@
                 color: #FFF;
         }
 }
+
+// Tag Cloud
+.wp-block-tag-cloud {
+
+        &.aligncenter {
+                text-align: center;
+                justify-content: center;
+        }
+}

wp-content/themes/twentynineteen/style-editor.scss

@@ -995 +995 @@
                 width: 100%;
         }
 }
+
+
+// Tag Cloud
+.wp-block-tag-cloud {
+
+        &.aligncenter {
+                text-align: center;
+                justify-content: center;
+        }
+}       

wp-content/themes/twentytwentyone/assets/sass/05-blocks/tag-clould/_editor.scss

@@ -2 +2 @@
 
         &.aligncenter {
                 text-align: center;
+                justify-content: center;
         }
 }