IO-2931-Visual-Production-Board-Drag-and-Drop-on-Touch-Devices - Add additional fixes / optimizations, from parent repo

Signed-off-by: Dave Richer <dave@imexsystems.ca>

client/src/components/production-board-kanban/trello-board/dnd/lib/state/get-droppable-over.js

@@ -25,8 +25,8 @@ function getFurthestAway({ pageBorderBox, draggable, candidates }) {
       const axis = candidate.axis;
       const target = patch(
         candidate.axis.line,
-        // use the current center of the dragging item on the main axis
-        pageBorderBox.center[axis.line],
+        // use the center of the list on the main axis
+        candidate.page.borderBox.center[axis.line],
         // use the center of the list on the cross axis
         candidate.page.borderBox.center[axis.crossAxisLine]
       );

client/src/components/production-board-kanban/trello-board/dnd/lib/view/use-droppable-publisher/get-closest-scrollable.js

@@ -5,6 +5,7 @@ import getBodyElement from "../get-body-element";
 const isEqual = (base) => (value) => base === value;
 const isScroll = isEqual("scroll");
 const isAuto = isEqual("auto");
+const isOverlay = isEqual("overlay");
 const isVisible = isEqual("visible");
 const isEither = (overflow, fn) => fn(overflow.overflowX) || fn(overflow.overflowY);
 const isBoth = (overflow, fn) => fn(overflow.overflowX) && fn(overflow.overflowY);
@@ -14,7 +15,7 @@ const isElementScrollable = (el) => {
     overflowX: style.overflowX,
     overflowY: style.overflowY
   };
-  return isEither(overflow, isScroll) || isEither(overflow, isAuto);
+  return isEither(overflow, isScroll) || isEither(overflow, isAuto) || isEither(overflow, isOverlay);
 };
 
 // Special case for a body element

client/src/components/production-board-kanban/trello-board/dnd/lib/view/use-style-marshal/get-styles.js

@@ -83,7 +83,13 @@ const getFinalStyles = (contextId) => {
     return {
       selector: getSelector(attributes.draggable.contextId),
       styles: {
-        dragging: transition,
+        dragging: `
+          ${transition}
+          user-select: none;
+          -webkit-user-select: none;
+          -moz-user-select: none;
+          -ms-user-select: none;
+        `,
         dropAnimating: transition,
         userCancel: transition
       }

client/src/components/production-board-kanban/trello-board/dnd/lib/view/use-style-marshal/use-style-marshal.js

@@ -67,7 +67,9 @@ export default function useStyleMarshal(contextId, nonce) {
       const remove = (ref) => {
         const current = ref.current;
         invariant(current, "Cannot unmount ref as it is not set");
-        getHead().removeChild(current);
+        if (getHead().contains(current)) {
+          getHead().removeChild(current);
+        }
         ref.current = null;
       };
       remove(alwaysRef);