Debugger: show line content instead of method content for breakpoint at line in drop-donw list

idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java

@@ -148,4 +148,15 @@ public class KotlinLineBreakpointType extends JavaLineBreakpointType {
             return KotlinIcons.LAMBDA;
         }
     }
+
+    public class KotlinLineBreakpointVariant extends ExactJavaBreakpointVariant {
+        public KotlinLineBreakpointVariant(XSourcePosition position, PsiElement element) {
+            super(position, element, -1);
+        }
+
+        @Override
+        public Icon getIcon() {
+            return KotlinIcons.FUNCTION;
+        }
+    }
 }

idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/breakpointTypeUtils.kt

@@ -98,9 +98,9 @@ fun computeVariants(
 
     val mainMethod = KotlinLineBreakpointType.getContainingMethod(pos.elementAt)
     if (mainMethod != null) {
-        result.add((kotlinBreakpointType as JavaLineBreakpointType).ExactJavaBreakpointVariant(
+        result.add(kotlinBreakpointType.KotlinLineBreakpointVariant(
                 XSourcePositionImpl.createByElement(mainMethod),
-                mainMethod, -1))
+                CodeInsightUtils.getTopmostElementAtOffset(pos.elementAt, pos.offset) ?: mainMethod))
     }
 
     lambdas.forEachIndexed { ordinal, lambda ->