[FE 1.0] Take into account import aliases during hidden member resolution

compiler/testData/diagnostics/tests/resolve/kt49736.fir.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+import kotlin.collections.forEach as forEach1
+
+fun foo() {
+    <!UNRESOLVED_REFERENCE!>z<!>.a.forEach1 {  }
+}

compiler/testData/diagnostics/tests/resolve/kt49736.kt

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+
+import kotlin.collections.forEach as forEach1
+
+fun foo() {
+    <!UNRESOLVED_REFERENCE!>z<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>a<!>.<!OVERLOAD_RESOLUTION_AMBIGUITY!>forEach1<!> {  }
+}

compiler/testData/diagnostics/tests/resolve/kt49736.txt

@@ -0,0 +1,3 @@
+package
+
+public fun foo(): kotlin.Unit