KT-34468 Yarn. Dependency check at the beginning

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/yarn/YarnBasics.kt

@@ -120,7 +120,10 @@ abstract class YarnBasics : NpmApi {
                         ?.value
                     else null
 
-                if (deps != null) {
+                if (deps == null) {
+                    error("Cannot find $key in yarn.lock")
+                }
+
                 src.resolvedVersion = deps.version
                 src.integrity = deps.integrity
                 src.dependencies.addAll(deps.dependencies.map { dep ->
@@ -136,9 +139,6 @@ abstract class YarnBasics : NpmApi {
 
                     child
                 })
-                } else {
-                    error("Cannot find $key in yarn.lock")
-                }
 
                 return src
             }