Improve 1.18.0 changelog

Better logical order with featrures first and bugfixes last.

docs/release-notes-editor.txt

 Editor
 ======
 1.18.0
- - Change/Fix radio button and checkbox color to dark green
-   Affects all elements using radio buttons (likert, images...).
- - Improve item duplication
-   There are still some issues with duplication (and multiselect).
-   Will be fixed soon™.
+ - Add image feature to TextEditor
+   Images are always inline and scaled down to the font size (of the text
+   element as a whole).
+ - Add blockquote feature to TextEditor
+   This creates a special quote text, which is indented and has quote marks
+   x2.5 the font size.
+ - Add new position property fixedSize ('Feste Abmessungen')
+   This allows elements in dynamic sections to have fixed dimensions.
+   (Some modifications to property panel logic, to show dimension fields and
+   proper labels.)
+   Only implemented for dropList and button elements!
  - Add flex orientation for dropList
    This new setting makes child items space around in a row with line
    break.
- - Images in vertical alignment now always reserve the whole row and don't
+   Images in vertical alignment now always reserve the whole row and don't
    appear next to each other.
- - Fix radio button without label
-   Options still had a margin-top, when there is no label above.
-   (Which produced the all-time favorite bug of unwanted scrollbars))
+ - Allow negative values for z-index and margins
  - Rework color inputs
    Use a suffix button to activate color picker instead of having an extra
    form field. This makes for a cleaner layout and also has the additional
    benefit of saving vertical space, reducing the need for scrolling.
    Also add direct input for likert line coloring color.
- - Add new position property fixedSize ('Feste Abmessungen')
-   This allows elements in dynamic sections to have fixed dimensions.
-   (Some modifications to property panel logic, to show dimension fields and
-   proper labels.)
-   Only implemented for dropList and button elements!
- - Add image feature to TextEditor
-   Images are always inline and scaled down to the font size (of the text
-   element as a whole).
- - Add blockquote feature to TextEditor
-   This creates a special quote text, which is indented and has quote marks
-   x2.5 the font size.
- - Allow negative values for z-index and margins
+ - Change/Fix radio button and checkbox color to dark green
+   Affects all elements using radio buttons (likert, images...).
+ - Fix radio button without label
+   Options still had a margin-top, when there is no label above.
+   (Which produced the all-time favorite bug of unwanted scrollbars))
+ - Improve item duplication
+   There are still some issues with duplication (and multiselect).
+   Will be fixed soon™.
 
 1.17.0
  - Rework text field and text area styling