FIR IDE: Enable add accessor intentions in plugin.

idea/testData/intentions/addPropertyAccessors/both/.firIntention

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.fir.intentions.HLAddGetterAndSetterIntention

idea/testData/intentions/addPropertyAccessors/both/expect.kt

@@ -0,0 +1,6 @@
+// SKIP_ERRORS_BEFORE
+// SKIP_ERRORS_AFTER
+// IS_APPLICABLE: false
+expect class Header {
+    var <caret>x: Int
+}

idea/testData/intentions/addPropertyAccessors/getter/.firIntention

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.fir.intentions.HLAddGetterIntention

idea/testData/intentions/addPropertyAccessors/getter/const.kt

@@ -0,0 +1,4 @@
+// IS_APPLICABLE: false
+class Test {
+    const val x<caret> = 1
+}

idea/testData/intentions/addPropertyAccessors/setter/.firIntention

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.fir.intentions.HLAddSetterIntention

idea/testData/intentions/addPropertyAccessors/setter/expect.kt

@@ -0,0 +1,6 @@
+// SKIP_ERRORS_BEFORE
+// SKIP_ERRORS_AFTER
+// IS_APPLICABLE: false
+expect class Header {
+    var <caret>x: Int
+}

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt

@@ -4,5 +4,4 @@ class Test {
         get() {
             return 1
         }
-}
-/* IGNORE_FIR */
+}

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt.after

@@ -5,5 +5,4 @@ class Test {
             return 1
         }
         set(value) {<caret>}
-}
-/* IGNORE_FIR */
+}

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt

@@ -3,5 +3,4 @@
 class Test {
     var x: Int<caret>
         set(value) {}
-}
-/* IGNORE_FIR */
+}

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt.after

@@ -6,5 +6,4 @@ class Test {
             <caret>TODO()
         }
         set(value) {}
-}
-/* IGNORE_FIR */
+}