Add theme update

[DonRichards]

Adds in correction for https://jhulibraries.atlassian.net/browse/ISL-90

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[github-actions[bot]]

Dependency diff between development base branch development (f7ff92bcce3c28fb093598b58c1d173780ffbdb1) and PR branch isl-90_theme_correction (7ea7700577b14a9c02fec3801734521e8c66b4f7):

diff --git a/deps.f7ff92bcce3c28fb093598b58c1d173780ffbdb1 b/deps.pr-355.7ea7700577b14a9c02fec3801734521e8c66b4f7
index 0547477..f6d7959 100644
--- a/deps.f7ff92bcce3c28fb093598b58c1d173780ffbdb1
+++ b/deps.pr-355.7ea7700577b14a9c02fec3801734521e8c66b4f7
@@ -140,7 +140,7 @@ islandora/jsonld                                          dev-8.x-1.x dfd99c4
 islandora/openseadragon                                   dev-8.x-1.x 5f847e5
 jean85/pretty-package-versions                            1.6.0              
 jhu-idc/controlled_access_terms                           dev-8.x-1.x 7a03834
-jhu-idc/idc-ui-theme                                      dev-main b897e94   
+jhu-idc/idc-ui-theme                                      dev-main 9c69802   
 jhu-idc/idc_defaults                                      dev-main cb033a6   
 jhu-idc/idc_export                                        dev-main 33c3b31   
 jhu-idc/idc_ui_module                                     dev-main be2d6d0