KT-30996: Use the last receiver to complete dsl methods

- change `detectReceiverTypes` return type to `List` instead of `Collection`
  - it reflects that receiver types are actually ordered
  - did not propagate signature changes to all possible places because it creates too much noise in git history
- ^KT-30996 Fixed

idea/idea-completion/testData/basic/common/dslMarker/noDslCompletionForNonDslReciever.kt

@@ -0,0 +1,15 @@
+@DslMarker
+annotation class MyDSL
+
+@MyDSL
+class HTML
+
+@MyDSL
+fun HTML.foo() { }
+
+fun HTML.test() {
+    val x = 1
+    x.<caret>
+}
+
+// ABSENT: foo