Fix #1320: Add process for decoding NAL_UNIT_FD when filler data NAL units are in the bitstream

See merge request jvet/VVCSoftware_VTM!1859

Fix segmentation fault when decoding a VPS after 07afae5e

See merge request !1860

Indeed m_vps is equal to nullptr when parsing the first VPS

Fix for Ticket #1319 - encoder is crashed when setting DecodingRefreshType equal to 2

See merge request !1858

fix ticket 1320: Missing the process of decoding NAL_UNIT_FD when filler data NAL units are in the bitstream

Refactor/Bugfix: VPS handling

See merge request !1473

- create a "dummy" VPS with ID 0 on first access in ParameterSetManager
- actually use the "dummy" VPS
- improve DecLib::m_vps handling (may still fail if multiple VPSs are in the bitstream)

Bugfix and code cleanup for Ticket #1095.

See merge request !1661

JVET-S0158: On the general sub-bitstream extraction process

Fix #1103: PPS extension data flag cleanup

See merge request !1665

JVET-S0102 Aspect 4: Mandate same value for buffering period syntax elements

See merge request jvet/VVCSoftware_VTM!1856

JVET-S0102 Aspect 3: Place PT SEI messages in individual SEI NAL units when general_same_pic_timing_in_all_ols_flag is equal to 1

See merge request !1855

Fix for Ticket #1296: Re-allow packed YUV output after RPR integration

See merge request jvet/VVCSoftware_VTM!1850

JVET-S0102 Aspect 3: Place PT SEI messages in individual SEI NAL units when general_same_pic_timing_in_all_ols_flag is equal to 1

Fix for counting prefix bits for APSs

See merge request jvet/VVCSoftware_VTM!1854

Fix LMCS multiple slice handling in JVET-S0234

See merge request jvet/VVCSoftware_VTM!1853

JVET-S0100 Aspect 3: constraints on vps_dpb_max_tid and vps_hrd_max_tid depending on vps_ptl_max_tid

See merge request jvet/VVCSoftware_VTM!1851

JVET-S0100 Aspect 3: constraints on vps_dpb_max_tid and vps_hrd_max_tid depending on vps_ptl_max_tid

JVET-S0105: reorder and categorize GCI flags

See merge request jvet/VVCSoftware_VTM!1839

JVET-R0341: constraint flag for local chroma QPcontrol

See merge request jvet/VVCSoftware_VTM!1849

Merge

Remove type prefixes in constraint flag related code

See merge request jvet/VVCSoftware_VTM!1848