Fix for KT-11032 Samples not rendered in Quick Doc

Now samples included as code blocks into quick doc

idea/testData/editor/quickDoc/Samples.kt

@@ -0,0 +1,28 @@
+package magic
+
+object Samples {
+    fun sampleMagic() {
+        castTextSpell("[asd] [dse] [asz]")
+    }
+}
+
+fun sampleScroll() {
+    val reader = Scroll("[asd] [dse] [asz]").reader()
+    castTextSpell(reader.readAll())
+}
+
+/**
+ * @sample Samples.sampleMagic
+ * @sample sampleScroll
+ */
+fun <caret>castTextSpell(spell: String) {
+    throw SecurityException("Magic prohibited outside Hogwarts")
+}
+
+//INFO: <b>public</b> <b>fun</b> castTextSpell(spell: String): Unit <i>defined in</i> magic<br/>
+//INFO: <dl><dt><b>Samples:</b></dt><dd><a href="psi_element://Samples.sampleMagic"><code>Samples.sampleMagic</code></a><pre><code>
+//INFO: castTextSpell("[asd] [dse] [asz]")
+//INFO: </code></pre></dd><dd><a href="psi_element://sampleScroll"><code>sampleScroll</code></a><pre><code>
+//INFO: val reader = Scroll("[asd] [dse] [asz]").reader()
+//INFO: castTextSpell(reader.readAll())
+//INFO: </code></pre></dd></dl>