widgets: position relative, e.g., so toolbar in correct position for matplotlib

Author: williamstein

src/packages/frontend/jupyter/_jupyter.sass

@@ -104,3 +104,10 @@
 .cocalc-jupyter-menu
   .ant-dropdown-trigger:hover
     background-color: white
+
+// Make it so the widgets container has position relative,
+// which is assumed by some widgets, e.g.,
+// %matplotlib widgets
+// from pylab import plot; plot([1,2],[3,4])
+cocalc-lumino-adapter
+  position: relative

src/packages/frontend/package.json

@@ -45,7 +45,7 @@
     "@cocalc/local-storage-lru": "^2.4.3",
     "@cocalc/sync": "workspace:*",
     "@cocalc/util": "workspace:*",
-    "@cocalc/widgets": "^1.1.2",
+    "@cocalc/widgets": "^1.1.3",
     "@cocalc/xpra-lz4": "^1.1.0",
     "@dnd-kit/core": "^6.0.7",
     "@dnd-kit/modifiers": "^6.0.1",