[FIR] Fix candidate success check by checking if no diagnostic is unsuccessful

Checking the current applicability isn't enough because in the presence
of multiple diagnostics, the lowest applicability can be successful but
a higher one isn't.

#KT-63147 Fixed

compiler/testData/diagnostics/tests/resolve/dslMarker/lowPriority.kt

@@ -0,0 +1,28 @@
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -UNUSED_PARAMETER, -ERROR_SUPPRESSION
+@DslMarker
+annotation class Ann
+
+@Ann
+class A {
+    @Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+    @kotlin.internal.LowPriorityInOverloadResolution
+    fun a() = 1
+}
+
+@Ann
+class B {
+    fun b() = 2
+}
+
+fun foo(x: A.() -> Unit) {}
+fun bar(x: B.() -> Unit) {}
+
+fun test() {
+    foo {
+        a()
+        bar {
+            <!DSL_SCOPE_VIOLATION!>a<!>()
+        }
+    }
+}