Introduce FirInitializerTypeMismatchChecker

compiler/testData/diagnostics/tests/inference/regressions/kt1127.fir.kt

@@ -6,5 +6,5 @@ package d
 fun <T> asList(t: T) : List<T>? {}
 
 fun main() {
-    val list : List<String> = asList("")
+    val list : List<String> = <!INITIALIZER_TYPE_MISMATCH!>asList("")<!>
 }

compiler/testData/diagnostics/tests/inference/regressions/kt2883.fir.kt

@@ -22,12 +22,12 @@ fun test() {
 
     doAction { bar(12) }
 
-    val u: Unit =  bar(11)
+    val u: Unit =  <!INITIALIZER_TYPE_MISMATCH!>bar(11)<!>
 }
 
 fun testWithoutInference(col: MutableCollection<Int>) {
 
     doAction { col.add(2) }
 
-    val u: Unit = col.add(2)
+    val u: Unit = <!INITIALIZER_TYPE_MISMATCH!>col.add(2)<!>
 }