Fix crash after pasting text that reduces text area size, Closes #52

Author: rubensworks

src/main/java/org/cyclops/integratedscripting/client/gui/component/input/WidgetTextArea.java

@@ -155,12 +155,12 @@ public void setValue(String value) {
         textFieldHelper.setCursorToStart();
         textFieldHelper.setSelectionPos(textFieldHelper.getCursorPos());
         if (this.scrollBar != null) {
-            this.firstRow = 0;
             scrollBar.scrollTo(0);
         }
     }
 
     public void setValuePassive(String value) {
+        this.firstRow = 0;
         this.value = value;
         this.clearDisplayCache();