move modal styles to new file

customize.dist/src/less2/include/modals-ui-elements.less

@@ -0,0 +1,18 @@
+@import (reference) "./colortheme-all.less";
+
+.modals-ui-elements_main() {
+    --LessLoader_require: LessLoader_currentFile();
+};
+& {
+    // Share modal
+    .cp-inline-radio-group{
+        .radio-group{
+            display: flex;
+            flex-direction: row;
+            .cp-radio{
+                margin-right: 30px;
+            }
+        }
+    }
+
+}