Restructure JetDecompiledData

JetDecompiledData now stores file text and uses descriptors serialized to String to find declarations

idea/testData/libraries/decompiled/Color.kt

@@ -4,17 +4,17 @@
 package testData.libraries
 
 [[public final enum class Color(rgb: jet.Int) : jet.Enum<testData.libraries.Color> {
-    public class object {
+    [[public class object {
         [public final val BLUE: testData.libraries.Color] /* compiled code */
 
         [public final val GREEN: testData.libraries.Color] /* compiled code */
 
         [public final val RED: testData.libraries.Color] /* compiled code */
 
-        public final fun valueOf(value: jet.String): testData.libraries.Color { /* compiled code */ }
+        [public final fun valueOf(value: jet.String): testData.libraries.Color { /* compiled code */ }]
 
-        public final fun values(): jet.Array<testData.libraries.Color> { /* compiled code */ }
-    }
+        [public final fun values(): jet.Array<testData.libraries.Color> { /* compiled code */ }]
+    }]]
 
     [internal final val rgb: jet.Int] /* compiled code */
 }]]

idea/testData/libraries/decompiled/WithInnerAndObject.kt

@@ -4,9 +4,9 @@
 package testData.libraries
 
 [[public final class WithInnerAndObject() {
-    public class object {
+    [[public class object {
         [internal final fun foo(): jet.Unit { /* compiled code */ }]
-    }
+    }]]
 
     [[internal final class MyInner() {
         [internal trait MyInnerInner {

idea/testData/libraries/decompiled/WithTraitClassObject.kt

@@ -4,6 +4,6 @@
 package testData.libraries
 
 [[public final class WithTraitClassObject() {
-    public class object : testData.libraries.SimpleTrait {
-    }
+    [[public class object : testData.libraries.SimpleTrait {
+    }]]
 }]]