[FIR IDE] Correctly check declarations' modalities in SamResolver

Modality might be null before the declaration itself is resolved to
`STATUS`

^KT-52667 Fixed

analysis/low-level-api-fir/testdata/lazyResolve/lambdaAsSAMInterface.kt

@@ -0,0 +1,13 @@
+package foo
+
+class Arg
+
+fun interface Foo {
+    fun foo(a: Arg): Arg
+}
+
+fun testMe(f: Foo) {}
+
+fun resolveMe() {
+    testMe { b -> b }
+}