FIR: implement diagnostics for qualifier as stand-alone expression case

compiler/testData/diagnostics/tests/resolve/constructorVsCompanion.fir.kt

@@ -16,8 +16,8 @@ class E private constructor() {
     }
 }
 
-val a = A
+val a = <!NO_COMPANION_OBJECT!>A<!>
 val <!EXPOSED_PROPERTY_TYPE!>b<!> = B
-val c = C
+val c = <!NO_COMPANION_OBJECT!>C<!>
 val d = D
 val e = E(42)

compiler/testData/diagnostics/tests/resolve/noCandidates/resolvedToClassifier.fir.kt

@@ -7,10 +7,10 @@ class C
 
 fun test() {
     val interface_as_fun = <!UNRESOLVED_REFERENCE!>A<!>()
-    val interface_as_val = A
+    val interface_as_val = <!NO_COMPANION_OBJECT!>A<!>
 
     val object_as_fun = <!INVISIBLE_REFERENCE!>B<!>()
-    val class_as_val = C
+    val class_as_val = <!NO_COMPANION_OBJECT!>C<!>
 }
 
 fun <T> bar() {

compiler/testData/diagnostics/tests/resolve/noCandidates/resolvedToClassifierWithReceiver.fir.kt

@@ -9,10 +9,10 @@ object X {
 
 fun testX() {
     val interface_as_fun = X.<!UNRESOLVED_REFERENCE!>A<!>()
-    val interface_as_val = X.A
+    val interface_as_val = X.<!NO_COMPANION_OBJECT!>A<!>
 
     val object_as_fun = X.<!INVISIBLE_REFERENCE!>B<!>()
-    val class_as_val = X.C
+    val class_as_val = X.<!NO_COMPANION_OBJECT!>C<!>
 }
 
 class Y {
@@ -24,10 +24,10 @@ class Y {
 
 fun testY() {
     val interface_as_fun = Y.<!UNRESOLVED_REFERENCE!>A<!>()
-    val interface_as_val = Y.A
+    val interface_as_val = Y.<!NO_COMPANION_OBJECT!>A<!>
 
     val object_as_fun = Y.<!INVISIBLE_REFERENCE!>B<!>()
-    val class_as_val = Y.C
+    val class_as_val = Y.<!NO_COMPANION_OBJECT!>C<!>
 }
 
 fun test(x: X) {

compiler/testData/diagnostics/tests/resolve/wrongReceiver.fir.kt

@@ -9,7 +9,7 @@ val Int.foo: Int get() = 4
 fun Int.extFun() = 4
 
 fun String.test() {
-    some
+    <!EXPRESSION_EXPECTED_PACKAGE_FOUND!>some<!>
     some.A()
     "".<!INAPPLICABLE_CANDIDATE!>some<!>