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

Including `SharedImmutable` and `ThreadLocal`

Simplify code, remove `DefaultImportPriority.KOTLIN_THROWS`

Introduce `FirNativeClassMapper`

compiler/testData/diagnostics/nativeTests/stdClassAndTypealiasAmbiguity.fir.kt

@@ -0,0 +1,11 @@
+import kotlin.*
+import kotlin.jvm.*
+import kotlin.native.concurrent.*
+import kotlin.native.*
+
+@<!DEPRECATION!>SharedImmutable<!>
+@ThreadLocal
+val x = 42
+
+@Throws(Exception::class)
+fun test() {}

compiler/testData/diagnostics/nativeTests/stdClassAndTypealiasAmbiguity.kt

@@ -0,0 +1,11 @@
+import kotlin.*
+import kotlin.jvm.*
+import kotlin.native.concurrent.*
+import kotlin.native.*
+
+@<!DEPRECATION, TYPEALIAS_EXPANSION_DEPRECATION!>SharedImmutable<!>
+@<!DEPRECATION!>ThreadLocal<!>
+val x = 42
+
+@Throws(Exception::class)
+fun test() {}

compiler/testData/diagnostics/nativeTests/throwsClash.fir.kt

@@ -72,7 +72,7 @@ package abc4
 import kotlin.<!CONFLICTING_IMPORT!>Throws<!>
 import <!DEPRECATION!>kotlin.native.<!CONFLICTING_IMPORT!>Throws<!><!>
 
-@<!OVERLOAD_RESOLUTION_AMBIGUITY!>Throws<!>(Throwable::class)
+@Throws(Throwable::class)
 fun foo1() {}
 
 @kotlin.Throws(Throwable::class)
@@ -81,7 +81,7 @@ fun foo2() {}
 @<!DEPRECATION!>kotlin.native.Throws<!>(Throwable::class)
 fun foo3() {}
 
-fun foo5(x: <!OVERLOAD_RESOLUTION_AMBIGUITY!>Throws<!>) {}
+fun foo5(x: Throws) {}
 fun foo6(x: kotlin.Throws) {}
 fun foo7(x: <!DEPRECATION!>kotlin.native.Throws<!>) {}
 
@@ -127,7 +127,7 @@ package abc7
 import kotlin.*
 import kotlin.native.*
 
-@<!OVERLOAD_RESOLUTION_AMBIGUITY!>Throws<!>(Throwable::class)
+@Throws(Throwable::class)
 fun foo1() {}
 
 @kotlin.Throws(Throwable::class)
@@ -136,7 +136,7 @@ fun foo2() {}
 @<!DEPRECATION!>kotlin.native.Throws<!>(Throwable::class)
 fun foo3() {}
 
-fun foo5(x: <!OVERLOAD_RESOLUTION_AMBIGUITY!>Throws<!>) {}
+fun foo5(x: Throws) {}
 fun foo6(x: kotlin.Throws) {}
 fun foo7(x: <!DEPRECATION!>kotlin.native.Throws<!>) {}