TrailingCommaInspection: report Missing trailing comma on argument

#KT-34744

idea/src/org/jetbrains/kotlin/idea/inspections/TrailingCommaInspection.kt

@@ -141,10 +141,9 @@ class TrailingCommaInspection(
                 val textRange = textRange
                 if (isComma) return textRange
 
-                val resultRange = nextLeaf()?.leafIgnoringWhitespaceAndComments(false)?.endOffset?.takeIf { it > 0 }?.let {
-                    TextRange.create(it - 1, it).intersection(parent.textRange)
+                return nextLeaf()?.leafIgnoringWhitespaceAndComments(false)?.endOffset?.takeIf { it > 0 }?.let {
+                    TextRange.create(it - 1, it).intersection(textRange)
                 } ?: TextRange.create(textRange.endOffset - 1, textRange.endOffset)
-                return resultRange.shiftRight(1)
             }
     }
 

idea/testData/inspectionsLocal/trailingComma/addComma2.kt

@@ -2,4 +2,4 @@
 // FIX: Add trailing comma
 
 fun a(i: Int,
-    b: Boolean)<caret> = Unit
+    b: Boolea<caret>n) = Unit

idea/testData/inspectionsLocal/trailingComma/addComma3.kt

@@ -2,4 +2,4 @@
 // PROBLEM: none
 
 fun a(i: Int,
-    b: Boolea<caret>n) = Unit
+    b: Boole<caret>an) = Unit

idea/testData/inspectionsLocal/trailingComma/addComma4.kt

@@ -2,4 +2,5 @@
 // PROBLEM: none
 
 fun a(i: Int,
-    b: Boolean) <caret>= Unit
+    b: Boolean <caret>
+) = Unit