Fix broken links in documentation (#8182)

documentation/components/components-selection.asciidoc

@@ -7,7 +7,7 @@ layout: page
 [[components.selection]]
 = Selection Components
 
-For a better overview on how selection works, see link:../datamodel/datamodel-selection.asciidoc[Selecting items]
+For a better overview on how selection works, see link:<<dummy/../../../framework/datamodel/datamodel-selection.asciidoc#datamodel.selection,"Selecting Items">>.
 
 Vaadin offers many alternative ways for selecting one or more items. The core
 library includes the following selection components, all based on either
@@ -109,7 +109,7 @@ elements.
 [[components.selection.getset]]
 == Getting and Setting Selection
 
-For a better overview on how selection works, see link:../datamodel/datamodel-selection.asciidoc[Selecting items]
+For a better overview on how selection works, see link:<<dummy/../../../framework/datamodel/datamodel-selection.asciidoc#datamodel.selection,"Selecting Items">>.
 
 You can get selected the item with [methodname]#getValue()# of the
 [interfacename]#HasValue# interface that returns either a single selected item
@@ -154,7 +154,7 @@ image::img/select-selected1.png[width=30%, scaledwidth=40%]
 [[components.selection.multiple]]
 == Multiple Selection
 
-For a better overview on how selection works, see link:../datamodel/datamodel-selection.asciidoc[Selecting items]
+For a better overview on how selection works, see link:<<dummy/../../../framework/datamodel/datamodel-selection.asciidoc#datamodel.selection,"Selecting Items">>.
 
 Some selection components, such as [classname]#CheckBoxGroup#,
 [classname]#ListSelect# and [classname]#TwinColSelect# are multiselect components,

documentation/datamodel/datamodel-selection.asciidoc

@@ -5,7 +5,7 @@ layout: page
 ---
 
 [[datamodel.selection]]
-= Selecting items
+= Selecting Items
 
 Listing components displaying data also support allowing the user to select items. Depending on component, it the user can select either one or several items at a time.