chore: Fix nightlies after recent changes

The issues caused by scala/scala3#15877

Author: tgodzik

mtags/src/main/scala-3/scala/meta/internal/pc/MetalsInteractive.scala

@@ -259,6 +259,9 @@ object MetalsInteractive:
               indexed.ctx.source,
             )
           then List((head.symbol, head.typeOpt))
+          // https://github.com/lampepfl/dotty/issues/15937
+          else if head.isInstanceOf[TypeTree] then
+            enclosingSymbolsWithExpressionType(path.tail, pos, indexed)
           else Nil
         else
           val recovered = recoverError(head, indexed)

tests/cross/src/test/scala/tests/pc/CompletionKeywordSuite.scala

@@ -290,6 +290,8 @@ class CompletionKeywordSuite extends BaseCompletionSuite {
       |""".stripMargin,
     """|return
        |""".stripMargin,
+    // methods add in 3.2.1
+    filter = item => !item.contains("retains"),
   )
 
   check(
@@ -302,6 +304,8 @@ class CompletionKeywordSuite extends BaseCompletionSuite {
       |}
       |""".stripMargin,
     "",
+    // methods add in 3.2.1
+    filter = item => !item.contains("retains"),
   )
 
   check(
@@ -319,6 +323,8 @@ class CompletionKeywordSuite extends BaseCompletionSuite {
     compat = Map(
       "3" -> ""
     ),
+    // methods add in 3.2.1
+    filter = item => !item.contains("retains"),
   )
 
   check(
@@ -329,6 +335,8 @@ class CompletionKeywordSuite extends BaseCompletionSuite {
       |ret@@
       |""".stripMargin,
     "",
+    // methods add in 3.2.1
+    filter = item => !item.contains("retains"),
   )
 
   check(