[FIR] Fix while's label, when condition has lambda

#KT-48116 Fixed

compiler/testData/diagnostics/tests/controlStructures/breakToLabel.fir.kt

@@ -0,0 +1,20 @@
+//KT-48116
+//WITH_STDLIB
+
+fun foo() {
+    var tokenType: String? = null
+    while (true) {
+        FindTagEnd@ while (tokenType.let { it != null && it !== "XML_END_TAG_START" }) {
+            if (tokenType === "XML_COMMENT_CHARACTERS") {
+                // we should terminate on first occurence of </
+                val end = tokenType
+                for (i in tokenType) {
+                    if (i == ' ') {
+                        break@FindTagEnd
+                    }
+                }
+            }
+            tokenType = "abc"
+        }
+    }
+}

compiler/testData/diagnostics/tests/controlStructures/breakToLabel.kt

@@ -0,0 +1,20 @@
+//KT-48116
+//WITH_STDLIB
+
+fun foo() {
+    var tokenType: String? = null
+    while (true) {
+        FindTagEnd@ while (tokenType.let { it != null && it !== "XML_END_TAG_START" }) {
+            if (tokenType === "XML_COMMENT_CHARACTERS") {
+                // we should terminate on first occurence of </
+                val end = tokenType
+                for (i in <!DEBUG_INFO_SMARTCAST!>tokenType<!>) {
+                    if (i == ' ') {
+                        break@FindTagEnd
+                    }
+                }
+            }
+            tokenType = "abc"
+        }
+    }
+}

compiler/testData/diagnostics/tests/controlStructures/breakToLabel.txt

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