Update fullcalendar monorepo to v6.1.15

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@fullcalendar/core (source)	6.1.11 -> 6.1.15
@fullcalendar/daygrid (source)	6.1.11 -> 6.1.15
@fullcalendar/interaction (source)	6.1.11 -> 6.1.15
@fullcalendar/list (source)	6.1.11 -> 6.1.15
@fullcalendar/luxon3 (source)	6.1.11 -> 6.1.15
@fullcalendar/timegrid (source)	6.1.11 -> 6.1.15

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Release Notes

fullcalendar/fullcalendar (@​fullcalendar/core)

v6.1.15

Compare Source

General

• fix: dragScroll does not work on multiMonth view (#​7324)
• fix: clicking on nowIndicator line ignores the event behind (#​6801)
• fix: dates not selectable in Shadow DOM since v6.1.12 (#​7685)

React

• fix: adaptive print version shows events with custom eventContent with zero height (#​7419)

v6.1.14

Compare Source

React

• React 19 support

Angular

• Angular 18 support (#​7682)

v6.1.13

Compare Source

TimeGrid

• follow-up fix to #​7533 that improves event-dragging from timed to all-day

Timeline

• follow-up fix to #​7335 that sidesteps issues with dynamically loaded fonts

v6.1.12

Compare Source

General

• fix: don't allow event drag-n-drop on obscured calendars (#​5026)

TimeGrid

• fix: when moving event from all-day -> timed, use literal mouse position for event drop (#​7533)

Timeline

• fix: timeline rtl initial scroll on Chrome (#​7335)

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[silamon]

It will need to be tested before merge. Last version had a bug and we didn't merge. Good chance this version might fix since it's mentioned in the release notes.