[NI] Prefer between two complex variables one with proper lower bounds

This reverts commit d4d35bb766.

compiler/testData/diagnostics/testsWithStdLib/regression/kt37554.kt

@@ -0,0 +1,20 @@
+// FIR_IDENTICAL
+// FULL_JDK
+
+import java.time.LocalDate
+
+data class DailyTime(val date: LocalDate)
+
+fun <T : Comparable<T>> Sequence<T>.range(): ClosedRange<T>? {
+    val iter = iterator()
+    return when {
+        iter.hasNext() -> iter.next().let { it..it }
+        else -> null
+    }
+}
+
+fun test(dailyTimes: List<DailyTime>): List<DailyTime> {
+    val dateRange = dailyTimes.asSequence().map { it.date }.range() ?: return emptyList()
+    println(dateRange.start)
+    return dailyTimes
+}

compiler/testData/diagnostics/testsWithStdLib/regression/kt37554.txt

@@ -0,0 +1,14 @@
+package
+
+public fun test(/*0*/ dailyTimes: kotlin.collections.List<DailyTime>): kotlin.collections.List<DailyTime>
+public fun </*0*/ T : kotlin.Comparable<T>> kotlin.sequences.Sequence<T>.range(): kotlin.ranges.ClosedRange<T>?
+
+public final data class DailyTime {
+    public constructor DailyTime(/*0*/ date: java.time.LocalDate)
+    public final val date: java.time.LocalDate
+    public final operator /*synthesized*/ fun component1(): java.time.LocalDate
+    public final /*synthesized*/ fun copy(/*0*/ date: java.time.LocalDate = ...): DailyTime
+    public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+}