use sleep to delay UE to allow the convergence of the IIR filter on PRACH noise measurements at gNB side instead of counting frames

This is required to comply with the standard to flush MSG3 buffer in some occasions and to keep preparing MSG3 payload in advance

error for ra-responsewindow exceeding 10ms instead of assertion (CI test with FAPI would fail otherwise)

(this is needed because it might expire while MSG2 is being decoded despite being received inside the window)

start the rar reception window in PRACH slots but take into account the additional slots difference wrt when we actually would need to start it (in first DCI occasion)

also removed unnecessary BWP dependence

this is for do-ra mostly and it was just called to compute MSG3 size which is fixed and known

Integration: `2025.w10`

See merge request oai/openairinterface5g!3299

* !3265 Remove some unnecessary extern files
* !3288 FeedbackDisabled removed from RA
* !3294 Fix OAI UE uplink_frequency in FDD mode
* !3282 Use common function to prepare DL PDUs in gNB RA
* !3290 Fix get_nr_prach_info_from_index() for FDD and long format
* !3244 Add F1 handover CI test
* !3292 Ensure clean exit of NR UE
* !3298 Preventing segmentation fault in print_rrc_meas (if reviewed and CI is OK)
* !3297 Reset timing_advance on sync/re-sync
* !3289 use slot type for slots in NR

Added 3 way F1 handover test with data exchange in the F1 pipeline.
The major change is that the UE is acting as a server in the handover
scenarion, so it needs to comply with the changes in !3280.

 - Shutdown DL/UL actors
 - Join the main/stat UE threads