[FIR] KT-53479: Paraphrase INSTANCE_ACCESS_BEFORE_SUPER_CALL

compiler/fir/analysis-tests/testData/resolve/diagnostics/instanceAccessBeforeSuperCall.fir.txt

@@ -25,7 +25,7 @@ FILE: instanceAccessBeforeSuperCall.kt
         }
 
         public constructor(x: R|kotlin/Int|): R|C| {
-            this<R|C|>(fun <anonymous>(): <ERROR TYPE REF: Cannot access ''<this>'' before superclass constructor has been called> <inline=Unknown>  {
+            this<R|C|>(fun <anonymous>(): <ERROR TYPE REF: Cannot access ''<this>'' before the instance has been initialized> <inline=Unknown>  {
                 lval a: R|kotlin/Int| = Int(10)
                 ^ this@R|/C|
             }

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrorsDefaultMessages.kt

@@ -664,7 +664,7 @@ object FirErrorsDefaultMessages : BaseDiagnosticRendererFactory() {
         )
         map.put(
             INSTANCE_ACCESS_BEFORE_SUPER_CALL,
-            "Cannot access ''{0}'' before superclass constructor has been called",
+            "Cannot access ''{0}'' before the instance has been initialized",
             TO_STRING
         )
         map.put(CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS, "Cannot create an instance of an abstract class")

compiler/fir/semantics/src/org/jetbrains/kotlin/fir/resolve/diagnostics/ConeDiagnostics.kt

@@ -172,7 +172,7 @@ class ConeOuterClassArgumentsRequired(
 }
 
 class ConeInstanceAccessBeforeSuperCall(val target: String) : ConeDiagnostic {
-    override val reason: String get() = "Cannot access ''${target}'' before superclass constructor has been called"
+    override val reason: String get() = "Cannot access ''${target}'' before the instance has been initialized"
 }
 
 class ConeUnsupportedCallableReferenceTarget(override val candidate: AbstractCandidate) : ConeDiagnosticWithSingleCandidate {