Feat(DND): Enable Simple DND

[shivamG640]

Fixes #80 partially

Current Status

Done:

• Enabled DND of nodes over other nodes and groups(not all processors).
• Enabled containers drag only when collapsed.
• Added Visual Feedback when DND on groups and nodes.

Above changes can be tested live here.

Pending:

• Enable drop on groups like choice, dotry processor
• Enable drop on a specific container in case of multiple level of nested container. Currently dragged node can only goes to the same level container.
• Enable container drag without the need of collapsing.
• Add enable/disable DND feature on settings page.

[codecov]

Codecov Report

Attention: Patch coverage is 34.01361% with 97 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@4d8d775). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...omponents/Visualization/Custom/Node/CustomNode.tsx	57.35%	29 Missing ⚠️
...isualization/flows/abstract-camel-visual-entity.ts	0.00%	25 Missing ⚠️
...c/models/visualization/flows/pipe-visual-entity.ts	0.00%	19 Missing ⚠️
.../ui/src/models/visualization/visualization-node.ts	0.00%	7 Missing ⚠️
...ization/flows/camel-error-handler-visual-entity.ts	0.00%	6 Missing ⚠️
...on/flows/camel-rest-configuration-visual-entity.ts	0.00%	6 Missing ⚠️
...Visualization/Custom/Group/CustomGroupExpanded.tsx	66.66%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1620   +/-   ##
=======================================
  Coverage        ?   83.10%           
  Complexity      ?      365           
=======================================
  Files           ?      284           
  Lines           ?     8259           
  Branches        ?     1630           
=======================================
  Hits            ?     6864           
  Misses          ?     1307           
  Partials        ?       88           

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[sonarcloud]

Quality Gate passed

Issues
6 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud