Add remaining internal modifiers

Author: wenli-cai

workflow-trace-viewer/src/jvmMain/kotlin/com/squareup/workflow1/traceviewer/model/NodeUpdate.kt

@@ -29,7 +29,7 @@ internal data class NodeUpdate(
   }
 }
 
-enum class NodeState(val color: Color) {
+internal enum class NodeState(val color: Color) {
   NEW(Color(0x804CAF50)), // green
   STATE_CHANGED(Color(0xFFE57373)), // red
   PROPS_CHANGED(Color(0xFFFF8A65)), // orange

workflow-trace-viewer/src/jvmMain/kotlin/com/squareup/workflow1/traceviewer/ui/control/UploadFile.kt

@@ -19,7 +19,7 @@ import io.github.vinceglb.filekit.dialogs.compose.rememberFilePickerLauncher
  * contains information pulled from workflow traces
  */
 @Composable
-public fun UploadFile(
+internal fun UploadFile(
   resetOnFileSelect: (PlatformFile?) -> Unit,
   modifier: Modifier = Modifier,
 ) {

workflow-trace-viewer/src/jvmMain/kotlin/com/squareup/workflow1/traceviewer/util/parser/DiffUtils.kt

@@ -12,7 +12,7 @@ import com.squareup.workflow1.traceviewer.util.parser.DiffStyles.buildStringWith
  * Generates a field-level word-diff for each node's states.
  *
  */
-fun computeAnnotatedDiff(
+internal fun computeAnnotatedDiff(
   past: String,
   current: String
 ): AnnotatedString {
@@ -152,7 +152,7 @@ private fun parseChangedDiff(fullDiff: String): List<Pair<SpanStyle, String>> {
   return operations
 }
 
-object DiffStyles {
+internal object DiffStyles {
   val DELETE = SpanStyle(background = Color.Red.copy(alpha = 0.3f))
   val INSERT = SpanStyle(background = Color.Green.copy(alpha = 0.3f))
   val NO_CHANGE = SpanStyle(background = Color.LightGray)