[BUGFIX] Add figure tag to external blocks in rte parsing

Resolves: #99281
Releases: main, 11.5, 10.4
Change-Id: Ic65f08aa0bb67f97880d0ff5bb4c692fe7e6ffde
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76953
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>

typo3/sysext/fluid_styled_content/Configuration/TypoScript/Helper/ParseFunc.typoscript

@@ -49,7 +49,7 @@ lib.parseFunc {
 lib.parseFunc_RTE < lib.parseFunc
 lib.parseFunc_RTE {
     # Processing <ol>, <ul> and <table> blocks separately
-    externalBlocks = article, aside, blockquote, div, dd, dl, footer, header, nav, ol, section, table, ul, pre
+    externalBlocks = article, aside, blockquote, div, dd, dl, footer, header, nav, ol, section, table, ul, pre, figure
     externalBlocks {
         ol {
             stripNL = 1
@@ -94,6 +94,7 @@ lib.parseFunc_RTE {
         }
         article < .div
         aside < .div
+        figure < .div
         blockquote < .div
         footer < .div
         header < .div