Kotlin UI DSL: fix regression — should be an empty row before note if there is some rows before

platform/platform-impl/src/com/intellij/ui/layout/migLayout/MigLayoutBuilder.kt

@@ -53,6 +53,9 @@ internal class MigLayoutBuilder : LayoutBuilderImpl {
   }
 
   override fun noteRow(text: String) {
+    // add empty row as top gap
+//    newRow()
+
     val cc = CC()
     cc.vertical.gapBefore = gapToBoundSize(VERTICAL_GAP, false)
     cc.vertical.gapAfter = gapToBoundSize(VERTICAL_GAP * 2, false)

platform/platform-tests/testData/ui/layout/note row in the dialog.yml

@@ -5,7 +5,7 @@ columnConstraints:
   - {}
   - {grow: 100.0}
 componentConstrains:
-  'JLabel #0':
+  'MultiLineLabel #0':
     spanX: 2097051.0
     wrap: true
     vertical:
@@ -24,3 +24,13 @@ componentConstrains:
         max: {value: 250.0, unitString: px}
         preferred: {value: 250.0, unitString: px}
   'JCheckBox #3': {skip: 1.0, spanX: 2097051.0, wrap: true}
+  'JLabel #4':
+    spanX: 2097051.0
+    wrap: true
+    vertical:
+      gapBefore:
+        min: {value: 5.0, unitString: px}
+        preferred: {value: 5.0, unitString: px}
+      gapAfter:
+        min: {value: 10.0, unitString: px}
+        preferred: {value: 10.0, unitString: px}

platform/platform-tests/testSrc/com/intellij/ui/layout/UiDslTest.kt

@@ -106,10 +106,11 @@ class UiDslTest {
   fun `note row in the dialog`() {
     val passwordField = JPasswordField()
     doTest(panel {
-      noteRow("Profiler requires access to the kernel-level API. Enter the sudo password to allow this. ")
+      noteRow("Profiler requires access to the kernel-level API.\nEnter the sudo password to allow this. ")
       row("Sudo password:") { passwordField() }
       row { CheckBox(CommonBundle.message("checkbox.remember.password"), true)() }
-    }, "[0, 0, 544, 31], [0, 36, 99, 26], [119, 36, 425, 26], [119, 67, 425, 23]")
+      noteRow("Should be an empty row above as a gap")
+    }, "[0, 0, 512, 47], [0, 52, 99, 26], [119, 52, 393, 26], [119, 83, 393, 23], [0, 111, 512, 31]")
   }
 
   private fun doTest(panel: JPanel, expectedLocations: String) {