Fix unavailable 'Specify visibility explicitly' quickfix

in explicit API mode due to incorrect cast.
Add tests for applying this quickfix.
#KT-36020 fixed.

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/class.kt

@@ -0,0 +1,5 @@
+// "Make 'Foo1' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+class <caret>Foo1() {}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/class.kt.after

@@ -0,0 +1,5 @@
+// "Make 'Foo1' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo1() {}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/companion.kt

@@ -0,0 +1,7 @@
+// "Make 'Companion' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo1() {
+    companion <caret>object {}
+}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/companion.kt.after

@@ -0,0 +1,7 @@
+// "Make 'Companion' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo1() {
+    public companion object {}
+}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/constructor.kt

@@ -0,0 +1,7 @@
+// "Make '<init>' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo5 {
+    constructor<caret>() {}
+}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/constructor.kt.after

@@ -0,0 +1,7 @@
+// "Make '<init>' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo5 {
+    public constructor() {}
+}
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/method.kt

@@ -0,0 +1,6 @@
+// "Make 'method' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo2() {
+    fun <caret>method() {}
+}

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/method.kt.after

@@ -0,0 +1,6 @@
+// "Make 'method' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo2() {
+    public fun method() {}
+}

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/property.kt

@@ -0,0 +1,5 @@
+// "Make 'bar' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo(val <caret>bar: Int, private var bar2: String, internal var bar3: Long, public var bar4: Int)
+

idea/testData/quickfix/specifyVisibilityInExplicitApiMode/property.kt.after

@@ -0,0 +1,5 @@
+// "Make 'bar' public explicitly" "true"
+// COMPILER_ARGUMENTS: -Xexplicit-api=strict
+
+public class Foo(public val bar: Int, private var bar2: String, internal var bar3: Long, public var bar4: Int)
+