Fix infotexture#52 - remove chunked reference from href

Only take the `id` after the `#` when generating the connected xref button.

Customization/xsl/collapse.xsl

@@ -15,7 +15,7 @@
   <!-- https://getbootstrap.com/docs/5.2/components/collapse/ -->
 
   <xsl:template match="*[contains(@class,' topic/bodydiv ') and contains(@outputclass, 'collapse-horizontal')]">
-    <xsl:variable name="id" select="dita-ot:generate-html-id(.)"/>
+    <xsl:variable name="id" select="if(@id) then dita-ot:generate-html-id(.) else generate-id(.)"/>
     <div>
       <xsl:if test="contains(@otherprops, 'style(')">
         <xsl:attribute name="style">
@@ -68,8 +68,8 @@
 
   <!-- Override to connect an collapsed element to a button -->
   <xsl:template match="*[contains(@class,' topic/xref ') and contains(@props, 'collapse-toggle')]">
-    <xsl:variable name="href" select="replace(@href, '#', '')"/>
-    <xsl:variable name="id" select="dita-ot:generate-html-id(//*[@id=$href])"/>
+    <xsl:variable name="href" select="substring-after(@href, '#')"/>
+    <xsl:variable name="id" select="if(//*[@id=$href]) then dita-ot:generate-html-id(//*[@id=$href]) else generate-id(//*[@id=$href])"/>
 
     <a data-bs-toggle="collapse">
       <xsl:call-template name="commonattributes"/>

Customization/xsl/offcanvas.xsl

@@ -47,8 +47,8 @@
 
   <!-- Override to connect an offcanvas to a button -->
   <xsl:template match="*[contains(@class,' topic/xref ') and contains(@props, 'offcanvas-toggle')]">
-    <xsl:variable name="href" select="replace(@href, '#', '')"/>
-    <xsl:variable name="id" select="dita-ot:generate-html-id(../*[@id=$href])"/>
+    <xsl:variable name="href" select="substring-after(@href, '#')"/>
+    <xsl:variable name="id" select="if(//*[@id=$href]) then dita-ot:generate-html-id(//*[@id=$href]) else generate-id(//*[@id=$href])"/>
 
     <a data-bs-toggle="offcanvas">
       <xsl:call-template name="commonattributes"/>