Fix "itemsLimitPerTable" / "itemsLimitSingleTable" ranges and clarify…

… interactions with TCA "maxDBListItems" / "maxSingleDBListItems" (#565)

See :

https://github.com/TYPO3/typo3/blob/3a42fd3456ffaee433bf2e4e45c04ba310be914e/typo3/sysext/backend/Classes/RecordList/DatabaseRecordList.php#L607

https://github.com/TYPO3/typo3/blob/3a42fd3456ffaee433bf2e4e45c04ba310be914e/typo3/sysext/core/Configuration/TCA/pages.php#L64

Documentation/PageTsconfig/Mod/WebList.rst

@@ -369,9 +369,13 @@ itemsLimitPerTable
     :Default: 20
 `
     Set the default maximum number of items to show per table.
-    The number must be between `5` and `10000`. If below or above this range,
+    The number must be between `0` and `10000`. If below or above this range,
     the nearest valid number will be used.
 
+    If a value is defined in the `$TCA[<table>]['interface']['maxDBListItems']`
+    of the table, it will override this TSconfig option.
+    For example, the `maxDBListItems` for the `pages` table is `30` by default.
+
 ..  _pageTsConfigWebList-itemsLimitPerTable-example:
 
 Example: Limit items per table in overview to 10
@@ -398,9 +402,13 @@ itemsLimitSingleTable
     :Default: 100
 
     Set the default maximum number of items to show in single table view.
-    The number must be between `5` and `10000`. If below or above this range,
+    The number must be between `0` and `10000`. If below or above this range,
     the nearest valid number will be used.
 
+    If a value is defined in the `$TCA[<table>]['interface']['maxSingleDBListItems']`
+    of the table, it will override this TSconfig option.
+    For example, the `maxSingleDBListItems` for the `pages` table is `50` by default.
+
 ..  _pageTsConfigWebList-itemsLimitSingleTable-example:
 
 Example: Limit items in single table view to 10