Platform 24.6 PiT issues

[manolo]

trafficstars

Blockers

• [x] https://github.com/vaadin/mpr-demo/issues/21
• [x] https://github.com/vaadin/flow/issues/20527
• [x] blocking beta release https://github.com/vaadin/hilla/issues/2928
• [x] https://github.com/vaadin/mpr-demo/issues/23
• [x] https://github.com/vaadin/hilla/issues/2954
• [x] https://github.com/vaadin/hilla/issues/2955
• [x] https://github.com/vaadin/mpr-demo/issues/25
• [x] https://vaadin.slack.com/archives/C01EJJNMAC9/p1733842048389869
• [x] https://github.com/vaadin/flow/issues/20671

Non Blockers

• [x] https://github.com/vaadin/hilla/issues/3002
• [x] https://github.com/vaadin/copilot-internal/issues/4010