[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/smartCasts/loops/whileTrueEarlyBreak.fir.kt

@@ -0,0 +1,11 @@
+fun x(): Boolean { return true }
+
+public fun foo(p: String?): Int {
+    while(true) {
+        if (x()) break
+        // We do not always reach this statement
+        p!!.length
+    }
+    // Here we have while (true) loop but p is nullable due to break before
+    return p.<!INAPPLICABLE_CANDIDATE!>length<!>
+}