XWIKI-22530: A broken document initializer can prevent XWiki from sta…

…rting at all

(cherry picked from commit 89ba9ea)

xwiki-platform-core/xwiki-platform-oldcore/src/main/java/com/xpn/xwiki/XWiki.java

@@ -1462,7 +1462,7 @@ private void initializeMandatoryDocument(MandatoryDocumentInitializer initialize
                         localizePlainOrKey("core.model.xclass.mandatoryUpdateProperty.versionSummary"), context);
                 }
             }
-        } catch (XWikiException e) {
+        } catch (Exception e) {
             LOGGER.error("Failed to initialize mandatory document [{}]", initializer.getDocumentReference(), e);
         }
     }