Fix: Improve Modal Abort Logic for Correct Handling of Active Modals

[siarhei-epam]

Description:

This PR addresses issues with modal abort handling, specifically fixing the incorrect order of abort() calls when pressing ESC and improving the overall modal abort logic to ensure proper handling of active modals.

Fixed:

• Modal Abort Logic: Fixed incorrect order of abort() calls when pressing ESC key, ensuring proper modal cleanup sequence
• Modal Context: Improved modal abort handling logic to prevent race conditions and ensure correct handling of active modals
• Nested Modals: Enhanced support for nested modal scenarios with proper abort behavior

Added:

• Comprehensive nested modals example demonstrating proper abort behavior
• Enhanced test coverage for modal abort scenarios
• New icons and assets for improved user experience

Changed:

• Modal abort sequence now follows proper cleanup order
• Enhanced modal state management for better reliability
• Updated modal documentation with new examples and best practices

Packages Updated:

• @epam/uui-components: Modal overlay improvements
• @epam/uui-core: Modal context service enhancements
• @epam/uui: Modal component updates and testing improvements

Issue link:

#2873

QA notes:

[github-actions]

Generated by: track-bundle-size
Generated at: Mon, 18 Aug 2025 15:12:45 GMT
Bundle size diff (in kBytes). Not gzipped. Both CSS & JS included.
Baseline: v6.1.5-beta.1 (2025-07-15)
CI Status: ok

Module	Baseline Size (v6.1.5-beta.1)	Size	Diff	Within Threshold	Threshold (min - max)
templateApp	646.65	662.87	+16.22 js:+6.96 css:+9.26	🆗	581.98 - 711.31
@epam/app	5368.95	5540.46	+171.5 js:+163.5 css:+8.01	🆗	4832.06 - 5905.85
@epam/electric	5.03	5.04	+0.01 js:+0.01 css:0	🆗	4.53 - 5.54
@epam/promo	55.43	55.61	+0.19 js:+0.01 css:+0.18	🆗	49.89 - 60.97
@epam/uui-extra	0.21	0.21	0 js:0 css:0	🆗	0.19 - 0.23
@epam/loveship	92.62	92.8	+0.19 js:+0.01 css:+0.17	🆗	83.35 - 101.88
@epam/uui-components	251.75	250.96	-0.79 js:-0.82 css:+0.03	🆗	226.58 - 276.93
@epam/uui-core	325.46	326.45	+0.98 js:+0.98 css:0	🆗	292.92 - 358.01
@epam/uui-db	41.63	41.63	0 js:0 css:0	🆗	37.47 - 45.8
@epam/uui-docs	179.06	181.02	+1.96 js:+1.96 css:0	🆗	161.15 - 196.96
@epam/uui-editor	173.82	173.87	+0.06 js:+0.03 css:+0.02	🆗	156.44 - 191.2
@epam/uui-timeline	75.5	75.5	+0 js:+0 css:+0	🆗	67.95 - 83.04
@epam/uui	503.4	517.92	+14.51 js:+9.11 css:+5.41	🆗	453.06 - 553.74

new sizes (raw)

To set the sizes as a new baseline, you can copy/paste next content to the uui-build/config/bundleSizeBaseLine.json and commit the file.

{
  "version": "6.2.0",
  "timestamp": "2025-08-18",
  "sizes": {
    "templateApp": {
      "css": 242414,
      "js": 436365
    },
    "@epam/app": {
      "css": 703996,
      "js": 4969430
    },
    "@epam/electric": {
      "css": 2275,
      "js": 2886
    },
    "@epam/promo": {
      "css": 47803,
      "js": 9148
    },
    "@epam/uui-extra": {
      "css": 0,
      "js": 213
    },
    "@epam/loveship": {
      "css": 55372,
      "js": 39658
    },
    "@epam/uui-components": {
      "css": 23250,
      "js": 233733
    },
    "@epam/uui-core": {
      "css": 0,
      "js": 334280
    },
    "@epam/uui-db": {
      "css": 0,
      "js": 42633
    },
    "@epam/uui-docs": {
      "css": 2154,
      "js": 183211
    },
    "@epam/uui-editor": {
      "css": 12936,
      "js": 165114
    },
    "@epam/uui-timeline": {
      "css": 2202,
      "js": 75109
    },
    "@epam/uui": {
      "css": 197484,
      "js": 332858
    }
  }
}

---

Generated by: generate-components-api
CI Status: ok

Total amount of exported types/props without JSDoc comments

	Amount
Types	337 (+0) 🆗
Props	221 (+0) 🆗