Refactor save state handler

[mbraak]

No description provided.

[codecov]

Bundle Report

Changes will decrease total bundle size by 79 bytes ⬇️

Bundle name	Size	Change
jqtree-bundle-jqtree	50.81kB	79 bytes ⬇️

[github-actions]

Size Change: -49 B (0%)

Total Size: 28.5 kB

Filename	Size	Change
./lib/saveStateHandler.js	1.5 kB	-49 B (-3%)

ℹ️ View Unchanged

Filename	Size
./lib/dataLoader.js	861 B
./lib/dragAndDropHandler/dragElement.js	437 B
./lib/dragAndDropHandler/generateHitAreas.js	1.21 kB
./lib/dragAndDropHandler/index.js	2.2 kB
./lib/dragAndDropHandler/iterateVisibleNodes.js	551 B
./lib/dragAndDropHandler/types.js	33 B
./lib/elementsRenderer.js	1.82 kB
./lib/jqtreeMethodTypes.js	33 B
./lib/jqtreeOptions.js	33 B
./lib/keyHandler.js	738 B
./lib/mouseHandler.js	1.47 kB
./lib/mouseUtils.js	229 B
./lib/node.js	3.22 kB
./lib/nodeElement/borderDropHint.js	386 B
./lib/nodeElement/folderElement.js	915 B
./lib/nodeElement/ghostDropHint.js	529 B
./lib/nodeElement/index.js	738 B
./lib/nodeUtils.js	194 B
./lib/position.js	384 B
./lib/scrollHandler.js	471 B
./lib/scrollHandler/containerScrollParent.js	874 B
./lib/scrollHandler/createScrollParent.js	521 B
./lib/scrollHandler/documentScrollParent.js	1.05 kB
./lib/scrollHandler/types.js	33 B
./lib/selectNodeHandler.js	684 B
./lib/simple.widget.js	947 B
./lib/tree.jquery.js	5.96 kB
./lib/util.js	348 B
./lib/version.js	147 B

_{compressed-size-action}

[codecov]

Codecov Report

Attention: Patch coverage is 84.61538% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 94.06%. Comparing base (9826a2e) to head (6ab54ee).

❗ Current head 6ab54ee differs from pull request most recent head aef5cd4. Consider uploading reports for the commit aef5cd4 to get more accurate results

Files	Patch %	Lines
src/saveStateHandler.ts	84.61%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #800      +/-   ##
==========================================
+ Coverage   93.60%   94.06%   +0.46%     
==========================================
  Files          30       30              
  Lines        2314     2309       -5     
  Branches      593      591       -2     
==========================================
+ Hits         2166     2172       +6     
+ Misses        148      137      -11     

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