x/tools/gopls: bug in typeCheckBatch.importPackage reported by telemetry

[adonovan]

This stack 5MRL7A, _ZM1lw was reported by telemetry:

cache.(*typeCheckBatch).importPackage.func1:19 is

			// debugging issue #60904
			if pkg.Name() != item.Name {
				return bug.Errorf("internal error: package name is %q, want %q (id=%q, path=%q) (see issue #60904)",
					pkg.Name(), item.Name, id, item.Path)
			}

gopls/bug
golang.org/x/tools/gopls/internal/bug.report:35
golang.org/x/tools/gopls/internal/bug.Errorf:2
golang.org/x/tools/gopls/internal/lsp/cache.(*typeCheckBatch).importPackage.func1:19
golang.org/x/tools/internal/gcimporter.iimportCommon:116
golang.org/x/tools/internal/gcimporter.IImportShallow:3
golang.org/x/tools/gopls/internal/lsp/cache.(*typeCheckBatch).importPackage:41
golang.org/x/tools/gopls/internal/lsp/cache.(*typeCheckBatch).getImportPackage:55
golang.org/x/tools/gopls/internal/lsp/cache.(*typeCheckBatch).awaitPredecessors.func1:1
golang.org/x/sync/errgroup.(*Group).Go.func1:3
runtime.goexit:0

golang.org/x/tools/gopls@v0.14.1 go1.21.3 linux/amd64 (2)
golang.org/x/tools/gopls@v0.14.1 go1.19.1 darwin/amd64 (1)

Reported using golang.org/x/tools/gopls/internal/telemetry/cmd/stacks.