Add org avatar on top of internal repo icon (#11895)

* Add org avatar on top of internal repo icon

* add color for arc-green

* use wrapper div to avoid negative margins

* rename class and move div

* move div to icon tmpl

* remove unnecessary margin for lock octicon

* fix label align together with #11891

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

web_src/less/_base.less

@@ -1317,3 +1317,7 @@ table th[data-sortt-desc] {
 .ui.secondary.pointing.menu .item {
     padding: 12px;
 }
+
+.ui.header > .ui.label.compact {
+    margin-top: inherit;
+}