K2 Scripting: do not report import resolution errors on implicit imports

since implicit imports are used in the gradle scripts, where it seems
difficult to precisely control list of import to avoid
unresolved names. And we can relatively safely ignore
unresolved imports there

#KT-62404 fixed

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirImportsChecker.kt

@@ -43,6 +43,7 @@ import org.jetbrains.kotlin.utils.addToStdlib.filterIsInstanceWithChecker
 object FirImportsChecker : FirFileChecker() {
     override fun check(declaration: FirFile, context: CheckerContext, reporter: DiagnosticReporter) {
         declaration.imports.forEach { import ->
+            if (import.source?.kind?.shouldSkipErrorTypeReporting == true) return@forEach
             if (import is FirErrorImport) return@forEach
             if (import.isAllUnder) {
                 if (import is FirResolvedImport) {
@@ -191,6 +192,7 @@ object FirImportsChecker : FirFileChecker() {
         val interestingImports = imports
             .filterIsInstanceWithChecker<FirResolvedImport> { import ->
                 !import.isAllUnder &&
+                        import.source?.kind?.shouldSkipErrorTypeReporting != true &&
                         import.importedName?.identifierOrNullIfSpecial?.isNotEmpty() == true &&
                         import.resolvesToClass(context)
             }.filterNot { (it.source as? KtFakeSourceElement)?.kind == KtFakeSourceElementKind.ImplicitImport  }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirImportResolveTransformer.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.fir.resolve.transformers
 
+import org.jetbrains.kotlin.KtFakeSourceElementKind
 import org.jetbrains.kotlin.fir.FirElement
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirFile
@@ -76,10 +77,15 @@ open class FirImportResolveTransformer protected constructor(
 
     private fun transformImportForFqName(fqName: FqName, delegate: FirImport): FirImport {
         val (packageFqName, relativeClassFqName, classSymbol) = when (val result = resolveToPackageOrClass(symbolProvider, fqName)) {
-            is PackageResolutionResult.Error -> return buildErrorImport {
-                this.delegate = delegate
-                this.diagnostic = result.diagnostic
-            }
+            is PackageResolutionResult.Error ->
+                return if (delegate.source?.kind == KtFakeSourceElementKind.ImplicitImport) {
+                    delegate
+                } else {
+                    buildErrorImport {
+                        this.delegate = delegate
+                        this.diagnostic = result.diagnostic
+                    }
+                }
             is PackageResolutionResult.PackageOrClass -> result
         }
         val firClass = classSymbol?.fir as? FirRegularClass

compiler/frontend.common/src/org/jetbrains/kotlin/KtSourceElement.kt

@@ -284,7 +284,7 @@ sealed class KtFakeSourceElementKind(final override val shouldSkipErrorTypeRepor
     object PropertyTypeFromGetterReturnType : KtFakeSourceElementKind()
 
     // Scripts get implicit imports from their configurations
-    object ImplicitImport : KtFakeSourceElementKind()
+    object ImplicitImport : KtFakeSourceElementKind(shouldSkipErrorTypeReporting = true)
 
     // For provided parameters inside a script
     object ScriptParameter : KtFakeSourceElementKind()