[FIR] Fix ambiguity of Throws and other std annotations importing

Including `SharedImmutable` and `ThreadLocal`

Simplify code, remove `DefaultImportPriority.KOTLIN_THROWS`

Introduce `FirNativeClassMapper`

analysis/low-level-api-fir/testData/contextCollector/scripts/insideTopLevelFunction.txt

@@ -2,18 +2,16 @@ Tower Data Context:
     Element 0
         Scope: FirDefaultStarImportingScope
     Element 1
-        Scope: FirDefaultSimpleImportingScope
-    Element 2
         Scope: FirExplicitStarImportingScope
+    Element 2
+        Scope: FirDefaultSimpleImportingScope
     Element 3
         Scope: FirDefaultSimpleImportingScope
     Element 4
-        Scope: FirDefaultSimpleImportingScope
-    Element 5
         Scope: FirPackageMemberScope
-    Element 6
+    Element 5
         Scope: FirExplicitSimpleImportingScope
-    Element 7
+    Element 6
         Scope: FirScriptDeclarationsScope
             Classifiers:
                 FirRegularClassSymbol public? final? class After_OtherClass : R|kotlin/Any|
@@ -27,13 +25,13 @@ Tower Data Context:
                     public? get(): <implicit>
                 FirPropertySymbol public? final? val before_Val: <implicit>
                     public? get(): <implicit>
-    Element 8
+    Element 7
         Scope: FirLocalScope
             Functions
                 FirNamedFunctionSymbol public final fun usage(foo: R|kotlin/Int|): R|kotlin/Unit|
             Properties:
                 FirPropertySymbol lval args: R|kotlin/Array<kotlin/String>|
-    Element 9
+    Element 8
         Context receivers:
             FirScriptSymbol context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
             SCRIPT: <script-insideTopLevelFunction.kts>
@@ -52,11 +50,11 @@ Tower Data Context:
                 public? final? class After_OtherClass : R|kotlin/Any|
                 Type: kotlin.script.templates.standard.ScriptTemplateWithArgs
                 Label: <script>
-    Element 10
+    Element 9
         Scope: FirLocalScope
             Properties:
                 FirValueParameterSymbol foo: R|kotlin/Int|
-    Element 11
+    Element 10
         Scope: FirLocalScope
 
 FILE: [ResolvedTo(IMPORTS)] insideTopLevelFunction.kts