fix: ssr compatibility (#DS-3964)

[artembelik]

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Pull Request Overview

This PR adds Server-Side Rendering (SSR) compatibility to multiple components by ensuring browser-specific APIs are not accessed during SSR. The changes include:

• Adding an isFunction utility to check for DOM API availability
• Wrapping DOM API calls with SSR-safe checks
• Deferring browser-specific operations using afterNextRender

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/components/core/utils/utils.ts	Adds new isFunction utility for checking if a value is a function
packages/components/core/option/option.ts	Adds SSR checks to getHeight() and renames element to elementRef for consistency
packages/components/tree/tree-selection.component.ts	Adds SSR compatibility check in getHeight() method
packages/components/tree/tree-option.component.ts	Adds SSR compatibility check in getHeight() method and @docs-private annotation
packages/components/list/list-selection.component.ts	Adds SSR compatibility checks in getHeight() methods for both selection and option components
packages/components/navbar/navbar.component.ts	Adds SSR compatibility check in width getter
packages/components/scrollbar/scrollbar.directive.ts	Refines ESLint disable comments to be more specific
packages/components/filter-bar/pipes/base-pipe.ts	Defers isMac() call to afterNextRender and improves documentation
packages/components/filter-bar/pipes/pipe-title.ts	Moves MutationObserver initialization to afterNextRender for SSR compatibility
packages/components/modal/modal-util.ts	Makes document parameter optional and adds conditional checks for SSR

Comments suppressed due to low confidence (1)

packages/components/filter-bar/pipes/pipe-title.ts:92

• The mutationSubscription may be EMPTY when ngOnDestroy is called if the component is destroyed before afterNextRender executes (SSR scenario). While Subscription.EMPTY.unsubscribe() is safe, the code assumes subscription is initialized. Consider adding a nullish check or ensuring mutationSubscription is properly initialized.

        this.mutationSubscription.unsubscribe();

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