fix: regression not showing manually installed platform in 'core list'

Author: alessio-perugini

Diff for: internal/cli/core/list.go

@@ -77,7 +77,7 @@ func GetList(inst *rpc.Instance, all bool, updatableOnly bool) []*rpc.PlatformSu
 			result = append(result, platform)
 			continue
 		}
-		if platform.InstalledVersion == "" {
+		if platform.InstalledVersion == "" && !platform.GetMetadata().ManuallyInstalled {
 			continue
 		}
 		if updatableOnly && platform.InstalledVersion == platform.LatestVersion {

Diff for: internal/integrationtest/core/core_test.go

@@ -868,8 +868,8 @@ func TestCoreListPlatformWithoutPlatformTxt(t *testing.T) {
 	stdout, _, err = cli.Run("core", "list", "--format", "json")
 	require.NoError(t, err)
 	requirejson.Len(t, stdout, 1)
-	requirejson.Query(t, stdout, ".[] | .id", "\"some-packager:some-arch\"")
-	requirejson.Query(t, stdout, ".[] | .name", "\"some-packager-some-arch\"")
+	requirejson.Query(t, stdout, ".[] | .id", `"some-packager:some-arch"`)
+	requirejson.Query(t, stdout, ".[] | .releases[.installed_version].name", `"some-packager-some-arch"`)
 }
 
 func TestCoreDownloadMultiplePlatforms(t *testing.T) {