Update vscode-xterm

[Tyriar]

Fixes #18544
Fixes #67468
Fixes #69249
Fixes #70749
Fixes #73360
Fixes #73459

Diff: microsoft/xterm.js@199da84...5c9d66f

Includes PRs:

• #1977 Add blinking cursor to DomRenderer xtermjs/xterm.js#1979 (JesseStolwijk:master)
• Fix #1773 - drawBoldTextInBrightColors is not taken into account with DOM renderer xtermjs/xterm.js#1961 (nikonso:1773-take-drawBoldTextIn…)
• Prevent scroll on focus xtermjs/xterm.js#1982 (Tyriar/1981_prevent_scroll_on_focus …
• Let consumers decide whether winptyCompat should be active xtermjs/xterm.js#1978 (Tyriar/move_windows_check)
• Fix renderer pausing to not full refresh every time xtermjs/xterm.js#1976 (Tyriar/1975_renderer_pause_fix)
• Fix demo on non-Windows xtermjs/xterm.js#1985 (Tyriar/fix_demo_non_win)
• WebLinks plugin don't follow link on selection xtermjs/xterm.js#1958 (nikonso/1947-weblinks-with-selec…)
• Build using TypeScript project references xtermjs/xterm.js#1984 (Tyriar/project_references)
• Recommend 127.0.0.1:3000 on mac and linux too xtermjs/xterm.js#1987 (Tyriar/1986_localhost)
• Utf32 buffer xtermjs/xterm.js#1878 (jerch/utf32_buffer)
• Replace winptyCompat addon with windowsMode option xtermjs/xterm.js#1993 (Tyriar/windows_mode)
• Ensure DOM APIs cannot be used in common and core xtermjs/xterm.js#1992 (Tyriar/1990_layering_libs)
• Fix CSI scroll down handler xtermjs/xterm.js#1995 (termius/fix_csi_scroll_down)
• Fix backspace on demo xtermjs/xterm.js#1997 (Tyriar/1989_backspace_demo)
• add CodeInterview.io in README xtermjs/xterm.js#1999 (asadm/master)
• feat: add DIM support to DomRenderer xtermjs/xterm.js#2000 (starpit/dim)
• True color support xtermjs/xterm.js#1895 (jerch/true_color)
• Fix compile error from conflicting PRs xtermjs/xterm.js#2003 (Tyriar/fix_merge_problem)
• Add a test for dim flag in dom renderer xtermjs/xterm.js#2004 (Tyriar/dim_dom_renderer_test)
• Fix reflow case where wrapped line portions ended in \t xtermjs/xterm.js#2002 (Tyriar/1932_broken_reflow)
• Added Bastillion to Real-world uses  xtermjs/xterm.js#2006 (skavanagh/patch-1)
• signal sequence was finally handled xtermjs/xterm.js#1923 (jerch/fix_1879)
• Fix search addons: Fix problem of skipping some results and incorrect text selection after resize window xtermjs/xterm.js#1866 (ntchjb/master)
• Explicit event API xtermjs/xterm.js#2008 (Tyriar/event_emitter_2)
• Add vscode setting for single quote style xtermjs/xterm.js#2009 (Tyriar/single_quote)
• feat: add underline support to DOM renderer xtermjs/xterm.js#2014 (starpit/underline)
• Clear line cache on terminal resize xtermjs/xterm.js#2025 (thebradbain/fix-terminal-resize)
• Setup continuous deployment beta builds xtermjs/xterm.js#1872 (Tyriar/cd)
• apply default fg color for uncached chars in canvas renderer xtermjs/xterm.js#2034 (jerch/2031_defaultcolor_handling)
• Create UI project, strict null check some more files xtermjs/xterm.js#2026 (Tyriar/ui_project)
• Automatically release stable builds xtermjs/xterm.js#2027 (Tyriar/auto_release)
• Add build and test task xtermjs/xterm.js#2032 (Tyriar/task)
• Make Terminal.markers readonly xtermjs/xterm.js#2036 (Tyriar/protect_markers)
• Refactored the CSS code of cursor blink xtermjs/xterm.js#2039 (roottool/refacter-the-css-code-o…)
• Fix that webLinks not interpreted xtermjs/xterm.js#2038 (roottool/fix-that-webLinks-not-i…)
• Add a dev container xtermjs/xterm.js#2040 (Tyriar/devcontainer)
• cell representation for joined cells xtermjs/xterm.js#2035 (jerch/2028_handle_joined_cells)
• Added PHP App Server to Real-world uses section. xtermjs/xterm.js#2043 (cubiclesoft/add_php_app_server)
• Base the next beta version on the correct current beta xtermjs/xterm.js#2047 (Tyriar/2044_cd_fix)
• Send the unit separator for C-_, like some other keyboards xtermjs/xterm.js#2052 (jflatow/unit-separator)
• Actually fix beta CD xtermjs/xterm.js#2054 (Tyriar/fix_beta_cd)
• v3.13.0 xtermjs/xterm.js#2055 (xtermjs/Tyriar-patch-2)
• Allow + char in URI path xtermjs/xterm.js#2046 (NizamLZ/fix/2045)
• Update terminal dimensions after line height changes xtermjs/xterm.js#2050 (Tyriar/2048_demo_line_height)
• Replace prepublish xtermjs/xterm.js#2051 (Tyriar/2019_prepublish)
• Update year in README xtermjs/xterm.js#2053 (xtermjs/Tyriar-patch-1)
• Fix beta CD for new major/minor beta versions xtermjs/xterm.js#2057 (Tyriar/fix_cd_after_release)
• Add missing space to typings xtermjs/xterm.js#2056 (xtermjs/Tyriar-patch-1)
• Make sure beta builds are always on patch version 0 xtermjs/xterm.js#2061 (Tyriar/fix_beta_off_patch)
• Move BufferLine into core xtermjs/xterm.js#2059 (Tyriar/buffer_core)

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TODO

• Test on all platforms
  • macOS
  • Linux
  • Windows
• Verify private event usage
  • _onScroll
  • _onKey
• Add typings for events used in core
• Verify usages inside _core are still correct
• Annotate fixed items on PR