Revert 3754 modal textarea (#3780)

* Revert "Update path.class.js (#3774)"

This reverts commit a7ff845.

* Revert "switch to canvas prebuilt (#3757)"

This reverts commit b979bd5.

* Revert "Fix textarea focus bug when canvas is in an element that stops events from reaching the body (#3754)"

This reverts commit 3f9b69f.

src/mixins/itext_behavior.mixin.js

@@ -492,6 +492,10 @@
         p.y = maxHeight;
       }
 
+      // add canvas offset on document
+      p.x += this.canvas._offset.left;
+      p.y += this.canvas._offset.top;
+
       return { left: p.x + 'px', top: p.y + 'px', fontSize: charHeight };
     },
 

src/mixins/itext_key_behavior.mixin.js

@@ -9,9 +9,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
     var style = this._calcTextareaPosition();
     this.hiddenTextarea.style.cssText = 'position: absolute; top: ' + style.top + '; left: ' + style.left + ';'
                                         + ' opacity: 0; width: 0px; height: 0px; z-index: -999;';
-    if (this.canvas) {
-      this.canvas.lowerCanvasEl.parentNode.appendChild(this.hiddenTextarea);
-    }
+    fabric.document.body.appendChild(this.hiddenTextarea);
 
     fabric.util.addListener(this.hiddenTextarea, 'keydown', this.onKeyDown.bind(this));
     fabric.util.addListener(this.hiddenTextarea, 'keyup', this.onKeyUp.bind(this));