Svg Template by Xon 2.7.0

• Fix template validation ran on the master style instead of the current selected style
• Fix for upcoming XF2.3 compatibility, as Doctrine Cache been documented as being removed.

• Compatibility update with SV/StandardLib v1.14+, still compatible with SV/StandardLib v1.11+

• Improve error messages when saving invalid SVGs as templates

• Fix issue using getSvgUrl/getSvgUrlAs in style properties with a template without an extension would cause CSS to fail to render
• Fix for race condition when creating temp files when encoding svg => png using resvg.
• Update README.md to link to updated precompiled binary for resvg (v0.14.1 => v0.23.0)

• Fix "XFCP_TemplaterHelper not found" error when upgrading the StandardLib add-on via the GUI
  • If this has happened, upload the files for this add-on. Then rebuild StandardLib add-on, then run the updater this add-on.

• Require XenForo 2.2+
• Require StandardLib v1.11.0+
  • Improve support for rendering templates in the mail & api contexts by correctly injecting template filters/functions into multiple rendering contexts
• Compat fix when zlib output compression is enabled for PHP8.0.17+/PHP8.1.4+

• Work-around for non-desirable caching behaviour when CloudFlare (or similar) is forced to cache svg.php output
  • Prevent polluting of caches if the time-stamp is in the future

• Support getSvgUrlAs('tenplate.svg', 'png') in style properties

• Reject attempting to save an SVG template with no elements

• Require Standard Lib by Xon v1.1.0+
• Force usage of global functions so php can optimize them into special bytecode instead of function calls
• Fix disabling generating png links if svg => png is not configured
• Improve installer to report svg => svg conditions which can block usage
• Use "canonical" URL before XF2.2.3 as "full" doesn't work as expected in all contexts