[Wasm] Port external declaration checker to K2 (KT-56849)

Share common code with FirJsExternalChecker using
FirWebCommonExternalChecker

compiler/testData/diagnostics/wasmTests/jsInterop/external.kt

@@ -1,3 +1,5 @@
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -INLINE_CLASS_DEPRECATED -NO_TAIL_CALLS_FOUND
 
 // Classes
 
@@ -16,7 +18,7 @@ external class C5 {
     inner class <!WRONG_EXTERNAL_DECLARATION!>C7<!>
 }
 
-external <!INLINE_CLASS_DEPRECATED!>inline<!> class <!WRONG_EXTERNAL_DECLARATION!>C8(<!EXTERNAL_CLASS_CONSTRUCTOR_PROPERTY_PARAMETER!>val x: Int<!>)<!>
+external inline class <!WRONG_EXTERNAL_DECLARATION!>C8(<!EXTERNAL_CLASS_CONSTRUCTOR_PROPERTY_PARAMETER!>val x: Int<!>)<!>
 
 external value class <!WRONG_EXTERNAL_DECLARATION!>C9(<!EXTERNAL_CLASS_CONSTRUCTOR_PROPERTY_PARAMETER!>val x: Int<!>)<!>
 
@@ -48,4 +50,8 @@ external fun foo1(): Int
 <!WRONG_EXTERNAL_DECLARATION!>external lateinit var v1: String<!>
 
 <!WRONG_EXTERNAL_DECLARATION!>external val Int.v2: String<!>
-    get() = definedExternally
+    get() = definedExternally
+
+
+// Property parameters
+external class C(x: Int, <!EXTERNAL_CLASS_CONSTRUCTOR_PROPERTY_PARAMETER!>val y: String<!>)