fix(kit): CalendarRange should not distinguish ranges with same dates and different names

[mdlufy]

Closes #7781

Problem: on item select, control value hold only range, not considering name/content

onItemSelect(item: TuiDayRangePeriod | string): void {
        if (typeof item !== 'string') {
            this.updateValue(item.range.dayLimit(this.min, this.max));

            return;
        }

        if (this.activePeriod !== null) {
            this.updateValue(null);
        }
}

And when it attemps to get current active period, in finds only by range

private get activePeriod(): TuiDayRangePeriod | null {
        return (
            this.items.find(item =>
                tuiNullableSame<TuiDayRange>(
                    this.value,
                    item.range,
                    (a, b) =>
                        a.from.daySame(b.from.dayLimit(this.min, this.max)) &&
                        a.to.daySame(b.to.dayLimit(this.min, this.max)),
                ),
            ) || null
        );
}

Solutions:

1. To hold current item index
2. To hold TuiDayRangePeriod separately
3. To hold TuiDayRangePeriod in value (breaking change)

[lumberjack-bot]

Failed tests ❌

After <= Diff => Before

dropdown-selection/dropdown-selection.cy.ts/__diff_output__/1-2-dropdown-selection.diff.png

dropdown-selection/dropdown-selection.cy.ts/__diff_output__/1-3-dropdown-selection.diff.png

input/input-table.cy.ts/components/__diff_output__/input_table__2_1.diff.png

_{(updated for commit 5dc65a2)}

[github-actions]

Visit the preview URL for this PR (updated for commit 5dc65a2):

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[bundlemon]

BundleMon

Files added (5)

Status	Path	Size	Limits
✅	demo/browser/main.(hash).js	+392.36KB	+10%
✅	demo/browser/vendor.(hash).js	+214.57KB	+10%
✅	demo/browser/runtime.(hash).js	+41.32KB	+10%
✅	demo/browser/polyfills.(hash).js	+11.25KB	+10%
✅	demo/browser/styles.(hash).css	+1.39KB	+10%

Total files change +660.9KB

Groups added (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	+2.4MB	-

Final result: ✅

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