FIR: Minor. Clarify name for containingClassForStaticMemberAttr

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt

@@ -176,7 +176,7 @@ fun deserializeClassToSymbol(
                     }
                     resolvePhase = FirResolvePhase.ANALYZED_DEPENDENCIES
                 }.apply {
-                    containingClassAttr = context.dispatchReceiver!!.lookupTag
+                    containingClassForStaticMemberAttr = context.dispatchReceiver!!.lookupTag
                 }
 
                 property

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/FirMemberDeserializer.kt

@@ -501,7 +501,7 @@ class FirMemberDeserializer(private val c: FirDeserializationContext) {
             containerSource = c.containerSource
             deprecation = annotations.getDeprecationInfosFromAnnotations(c.session.languageVersionSettings.apiVersion, false)
         }.build().apply {
-            containingClassAttr = c.dispatchReceiver!!.lookupTag
+            containingClassForStaticMemberAttr = c.dispatchReceiver!!.lookupTag
             versionRequirementsTable = c.versionRequirementTable
         }
     }