Correctly show parameter name hints for non-ambiguous overloads

idea/src/org/jetbrains/kotlin/idea/parameterInfo/ArgumentNameHints.kt

@@ -26,12 +26,17 @@ import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.startOffset
 import org.jetbrains.kotlin.resolve.calls.callUtil.getCall
+import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
 
 fun provideArgumentNameHints(element: KtCallExpression): List<InlayInfo> {
     val ctx = element.analyze(BodyResolveMode.PARTIAL)
     val call = element.getCall(ctx) ?: return emptyList()
+    val resolvedCall = call.getResolvedCall(ctx)
+    if (resolvedCall != null) {
+        return getParameterInfoForCallCandidate(resolvedCall)
+    }
     val candidates = call.resolveCandidates(ctx, element.getResolutionFacade())
     if (candidates.isEmpty()) return emptyList()
     candidates.singleOrNull()?.let { return getParameterInfoForCallCandidate(it) }

idea/tests/org/jetbrains/kotlin/idea/parameterInfo/InlayParameterHintsTest.kt

@@ -115,6 +115,17 @@ class InlayParameterHintsTest : KotlinLightCodeInsightFixtureTestCase() {
 """)
     }
 
+    fun `test show non-ambiguous overload`() {
+        check("""
+  fun main() {
+    test(<hint text="a:"/>10, <hint text="bI:"/>15);
+  }
+  fun test() {}
+  fun test(a: Int, bS: String) {}
+  fun test(a: Int, bI: Int) {}
+""")
+    }
+
     fun `test show ambiguous constructor`() {
         check("""
   fun main() {