fix(editor): lower minDevinLineThreshold to 1 and clear blockViews

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/sketch/SketchToolWindow.kt

@@ -197,7 +197,9 @@ class SketchToolWindow(val project: Project, val editor: Editor?, private val sh
                 historyPanel.add(it.getComponent())
             }
 
+            blockViews.clear()
             myList.removeAll()
+
             this.revalidate()
             this.repaint()
         }

core/src/main/kotlin/cc/unitmesh/devti/sketch/ui/code/CodeHighlightSketch.kt

@@ -47,7 +47,7 @@ open class CodeHighlightSketch(
     val editorLineThreshold: Int = 6
 ) : JBPanel<CodeHighlightSketch>(BorderLayout()), DataProvider, LangSketch, Disposable {
     private val devinLineThreshold = 10
-    private val minDevinLineThreshold = 5
+    private val minDevinLineThreshold = 1
     private var isDevIns = false
 
     private var textLanguage: String? = null