FIR checker: introduce NO_(GET|SET)_METHOD

Besides introducing new diagnostics, this commit unifies source usages
for array accesses in PSI & LT.

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/checkers/CommonExpressionCheckers.kt

@@ -26,7 +26,9 @@ object CommonExpressionCheckers : ExpressionCheckers() {
         FirSealedClassConstructorCallChecker,
     )
 
-    override val functionCallCheckers: Set<FirFunctionCallChecker> = setOf()
+    override val functionCallCheckers: Set<FirFunctionCallChecker> = setOf(
+        FirConventionFunctionCallChecker,
+    )
 
     override val tryExpressionCheckers: Set<FirTryExpressionChecker> = setOf(
         FirCatchParameterChecker