[Analysis API FIR] fix NPE of == call resolve without builtins

We should not expect builtins to be always available as they are taken from indecies.

For K1　and FIR Standalone implementations, the builtins are always available.

^KT-62957 fixed

analysis/analysis-api/testData/components/callResolver/resolveCall/noBuiltIns.descriptors.txt

@@ -0,0 +1,31 @@
+KtSuccessCallInfo:
+  call = KtSimpleFunctionCall:
+    isImplicitInvoke = false
+    partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
+      dispatchReceiver = KtExplicitReceiverValue:
+        expression = 1
+        isSafeNavigation = false
+        type = kotlin.Int
+      extensionReceiver = null
+      signature = KtFunctionLikeSignature:
+        receiverType = null
+        returnType = kotlin.Boolean
+        symbol = kotlin/Int.equals(<dispatch receiver>: kotlin.Int, other: kotlin.Any?): kotlin.Boolean
+        valueParameters = [
+          KtVariableLikeSignature:
+            name = other
+            receiverType = null
+            returnType = kotlin.Any?
+            symbol = other: kotlin.Any?
+            callableIdIfNonLocal = null
+        ]
+        callableIdIfNonLocal = kotlin/Int.equals
+    typeArgumentsMapping = {}
+    argumentMapping = {
+      2 -> (KtVariableLikeSignature:
+        name = other
+        receiverType = null
+        returnType = kotlin.Any?
+        symbol = other: kotlin.Any?
+        callableIdIfNonLocal = null)
+    }

analysis/analysis-api/testData/components/callResolver/resolveCall/noBuiltIns.kt

@@ -0,0 +1,5 @@
+// NO_RUNTIME
+
+fun call() {
+    <expr>1 == 2</expr>
+}

analysis/analysis-api/testData/components/callResolver/resolveCall/noBuiltIns.standalone.fir.txt

@@ -0,0 +1,31 @@
+KtSuccessCallInfo:
+  call = KtSimpleFunctionCall:
+    isImplicitInvoke = false
+    partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
+      dispatchReceiver = KtExplicitReceiverValue:
+        expression = 1
+        isSafeNavigation = false
+        type = kotlin.Int
+      extensionReceiver = null
+      signature = KtFunctionLikeSignature:
+        receiverType = null
+        returnType = kotlin.Boolean
+        symbol = kotlin/Int.equals(<dispatch receiver>: kotlin.Int, other: kotlin.Any?): kotlin.Boolean
+        valueParameters = [
+          KtVariableLikeSignature:
+            name = other
+            receiverType = null
+            returnType = kotlin.Any?
+            symbol = other: kotlin.Any?
+            callableIdIfNonLocal = null
+        ]
+        callableIdIfNonLocal = kotlin/Int.equals
+    typeArgumentsMapping = {}
+    argumentMapping = {
+      2 -> (KtVariableLikeSignature:
+        name = other
+        receiverType = null
+        returnType = kotlin.Any?
+        symbol = other: kotlin.Any?
+        callableIdIfNonLocal = null)
+    }

analysis/analysis-api/testData/components/callResolver/resolveCall/noBuiltIns.txt

@@ -0,0 +1 @@
+null