FIR: Update test data (repeated diagnostics)

They are a bit redundant, but it needs additional work to be done
to avoid them

compiler/testData/diagnostics/tests/inference/kt1293.fir.kt

@@ -5,7 +5,7 @@ package kt1293
 
 fun main() {
     val intArray = arrayOfNulls<Int>(10)
-    val i : Int = <!INITIALIZER_TYPE_MISMATCH!>intArray[0]<!>
+    val i : Int = <!INITIALIZER_TYPE_MISMATCH, TYPE_MISMATCH!>intArray[0]<!>
     requiresInt(<!ARGUMENT_TYPE_MISMATCH!>intArray[0]<!>)
 }