* Introduce zcl_abapgit_gui_page_patch as subclass of zcl_abapgit_gui_page_diff
introduce pop-method on GUI stack
fix linter + raising exception when gui stack emp
introduce zcl_abapgit_gui_page_patch
more
add
fix linter
remove go back to patch after commit
fix linter
remove bookmark for stage page
remove pop
src/ui/core/zcl_abapgit_gui.clas.abap
src/zcl_abapgit_repo_online.clas.abap
* refactor: move more logic to render_line_split_ro
* refactor move logic to render_diff_head_after_stat
* add logic to render_table_head_non_unified
* extract render_table_head_unified
* extract of is_patch_possible calculation
* fix linter
* move hotkey to patch
* refactor and rename to get_normalized_fname_with_p
Co-authored-by: Lars Hvam <larshp@hotmail.com>