Highlighting "as Foo" for useless casts in gray.

#KT-6070 fixed

compiler/testData/diagnostics/tests/suppress/oneWarning/onClass.kt

@@ -1,4 +1,4 @@
 suppress("REDUNDANT_NULLABLE")
 class C {
-    fun foo(): String?? = null <!USELESS_CAST!>as<!> Nothing??
+    fun foo(): String?? = null <!USELESS_CAST!>as Nothing??<!>
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onClassObject.kt

@@ -1,6 +1,6 @@
 class C {
     suppress("REDUNDANT_NULLABLE")
     class object {
-        val foo: String?? = null <!USELESS_CAST!>as<!> Nothing??
+        val foo: String?? = null <!USELESS_CAST!>as Nothing??<!>
     }
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onExpression.kt

@@ -1,4 +1,4 @@
 fun foo(): Any? {
     [suppress("REDUNDANT_NULLABLE")]
-    return null <!USELESS_CAST!>as<!> Nothing??
+    return null <!USELESS_CAST!>as Nothing??<!>
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onFunction.kt

@@ -1,4 +1,4 @@
 class C {
     suppress("REDUNDANT_NULLABLE")
-    fun foo(): String?? = null <!USELESS_CAST!>as<!> Nothing??
+    fun foo(): String?? = null <!USELESS_CAST!>as Nothing??<!>
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onLocalVariable.kt

@@ -1,7 +1,7 @@
 class C {
     fun foo(): Any? {
         [suppress("REDUNDANT_NULLABLE")]
-        val v: String?? = null <!USELESS_CAST!>as<!> Nothing??
+        val v: String?? = null <!USELESS_CAST!>as Nothing??<!>
         return v
     }
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onObject.kt

@@ -1,4 +1,4 @@
 suppress("REDUNDANT_NULLABLE")
 object C {
-    fun foo(): String?? = null <!USELESS_CAST!>as<!> Nothing??
+    fun foo(): String?? = null <!USELESS_CAST!>as Nothing??<!>
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onParameter.kt

@@ -1,3 +1,3 @@
 class C {
-    fun foo(suppress("REDUNDANT_NULLABLE") p: String?? = null <!USELESS_CAST!>as<!> Nothing??) = p
+    fun foo(suppress("REDUNDANT_NULLABLE") p: String?? = null <!USELESS_CAST!>as Nothing??<!>) = p
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onProperty.kt

@@ -1,4 +1,4 @@
 class C {
     suppress("REDUNDANT_NULLABLE")
-    val foo: String?? = null <!USELESS_CAST!>as<!> Nothing?
+    val foo: String?? = null <!USELESS_CAST!>as Nothing?<!>
 }

compiler/testData/diagnostics/tests/suppress/oneWarning/onPropertyAccessor.kt

@@ -1,5 +1,5 @@
 class C {
     val foo: String?
         [suppress("REDUNDANT_NULLABLE")]
-        get(): String?? = null <!USELESS_CAST!>as<!> Nothing??
+        get(): String?? = null <!USELESS_CAST!>as Nothing??<!>
 }