Rollup merge of #92683 - jackh726:issue-92033, r=estebank

Suggest copying trait associated type bounds on lifetime error

Closes #92033

Kind of the most simple suggestion to make - we don't try to be fancy. Turns out, it's still pretty useful (the couple existing tests that trigger this error end up fixed - for this error - upon applying the fix).

r? ``@estebank``
cc ``@nikomatsakis``

compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs

@@ -1928,7 +1928,8 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
             | ObligationCauseCode::AwaitableExpr(_)
             | ObligationCauseCode::ForLoopIterator
             | ObligationCauseCode::QuestionMark
-            | ObligationCauseCode::LetElse => {}
+            | ObligationCauseCode::LetElse
+            | ObligationCauseCode::CheckAssociatedTypeBounds { .. } => {}
             ObligationCauseCode::SliceOrArrayElem => {
                 err.note("slice and array elements must have `Sized` type");
             }