Add project info editor (#3754)

* Add button to add model info

* Initial impl of project info editor

* Add sidebar item to edit project info

* Add license selector

* Fix use of deprecated apis

* Fix license combox dark mode

* Add back button on project info editor screen

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Co-authored-by: SoftFever <softfeverever@gmail.com>

resources/web/model/css/dark.css

@@ -65,4 +65,9 @@ a
 .FileItem
 {
 	background-color:#36363C;
-}
+}
+
+#AddModelInfoBtn:hover
+{
+	color: #000;
+}