InputText: Word-Wrap: attempt to track cursor while resizing frame/parent. (#3237, #952, #1062, #7363)

imgui_internal.h

@@ -1247,6 +1247,7 @@ struct IMGUI_API ImGuiInputTextState
     float                   WrapWidth;              // word-wrapping width
     float                   CursorAnim;             // timer for cursor blink, reset on every user action so the cursor reappears immediately
     bool                    CursorFollow;           // set when we want scrolling to follow the current cursor position (not always!)
+    bool                    CursorCenterY;          // set when we want scrolling to be centered over the cursor position (while resizing a word-wrapping field)
     bool                    SelectedAllMouseLock;   // after a double-click to select all, we ignore further mouse drags to update selection
     bool                    Edited;                 // edited this frame
     bool                    WantReloadUserBuf;      // force a reload of user buf so it may be modified externally. may be automatic in future version.