Update flatlaf to v3.6.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.formdev:flatlaf-intellij-themes	3.6.1 -> 3.6.2
com.formdev:flatlaf-swingx	3.6.1 -> 3.6.2
com.formdev:flatlaf-jide-oss	3.6.1 -> 3.6.2
com.formdev:flatlaf-extras	3.6.1 -> 3.6.2
com.formdev:flatlaf	3.6.1 -> 3.6.2

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Release Notes

JFormDesigner/FlatLaf (com.formdev:flatlaf-intellij-themes)

v3.6.2

Compare Source

New features and improvements

• If using FlatLaf.registerCustomDefaultsSource( "com.myapp.themes" ) and
  named Java modules, it is no longer necessary to add opens com.myapp.themes;
  to module-info.java. (issue #​1026)
• Extras: Made animated theme change (class FlatAnimatedLafChange) smoother.

Fixed bugs

• Tree and List: Fixed painting of rounded drop backgrounds. (issue #​1023)
• Popup: Showing tooltip in inactive window brought that window to front (made
  it active) and potentially hid the previously active window. (issue #​1037)
• Popup: No longer reuse popup windows for menus to avoid immediately closing
  dialogs on ChromeOS. (issue #​1029)
• macOS: Fixed window "flashing" when switching from a light to a dark theme (or
  vice versa). Especially when using animated theme changer (see
  FlatLaf Extras).

Incompatibilities

• FlatLaf properties files are now loaded using the UTF-8 character encoding
  instead of ISO 8859-1. In usual properties files you will not notice any
  difference because they use only ASCII characters, but if you've put localized
  (non-English) texts (e.g. German umlauts) into your properties files, you need
  to convert them to UTF-8. Properties files created with the FlatLaf Theme
  Editor already use UTF-8, including in older versions. (issue #​1031)

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