Fix timeout for opening folder

[mbraak]

When using the drag and drop function a closed folder must be opened after a timeout when it is hovered over. It must not be openend immedately.

[github-actions]

Size Change: +9 B (+0.03%)

Total Size: 28 kB

Filename	Size	Change
./lib/dragAndDropHandler/index.js	2.15 kB	+9 B (+0.42%)

ℹ️ View Unchanged

Filename	Size
./lib/dataLoader.js	859 B
./lib/dragAndDropHandler/binarySearch.js	305 B
./lib/dragAndDropHandler/dragElement.js	432 B
./lib/dragAndDropHandler/generateHitAreas.js	1.18 kB
./lib/dragAndDropHandler/iterateVisibleNodes.js	547 B
./lib/dragAndDropHandler/types.js	33 B
./lib/elementsRenderer.js	1.85 kB
./lib/jqtreeMethodTypes.js	33 B
./lib/jqtreeOptions.js	33 B
./lib/keyHandler.js	808 B
./lib/mouseHandler.js	1.49 kB
./lib/mouseUtils.js	233 B
./lib/node.js	3.2 kB
./lib/nodeElement/borderDropHint.js	390 B
./lib/nodeElement/folderElement.js	815 B
./lib/nodeElement/ghostDropHint.js	527 B
./lib/nodeElement/index.js	682 B
./lib/nodeUtils.js	192 B
./lib/saveStateHandler.js	1.31 kB
./lib/scrollHandler.js	467 B
./lib/scrollHandler/containerScrollParent.js	865 B
./lib/scrollHandler/createScrollParent.js	512 B
./lib/scrollHandler/documentScrollParent.js	1.05 kB
./lib/scrollHandler/types.js	33 B
./lib/selectNodeHandler.js	622 B
./lib/simple.widget.js	954 B
./lib/tree.jquery.js	5.88 kB
./lib/util.js	347 B
./lib/version.js	146 B

_{compressed-size-action}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.50%. Comparing base (385dded) to head (492ec38).
Report is 2 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #878   +/-   ##
=======================================
  Coverage   97.49%   97.50%           
=======================================
  Files          30       30           
  Lines        2315     2321    +6     
  Branches      577      579    +2     
=======================================
+ Hits         2257     2263    +6     
  Misses         58       58           

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