Bug 1600421 - Style attribute for bookmark-panel should include min-width r=Pike,fluent-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D55344

--HG--
extra : moz-landing-system : lando

browser/locales/en-US/browser/browser.ftl

@@ -159,4 +159,4 @@ bookmark-panel-done-button =
 # Should be large enough to fully display the Done and
 # Cancel/Remove Bookmark buttons.
 bookmark-panel =
-    .style = 23em
+    .style = min-width: 23em

python/l10n/fluent_migrations/bug_1599303_browser_bookmark_panel.py

@@ -23,6 +23,6 @@ bookmark-panel-show-editor-checkbox =
 bookmark-panel-done-button =
     .label = { COPY(from_path, "editBookmark.done.label") }
 bookmark-panel =
-    .style = { COPY(from_path, "editBookmark.panel.width") }
+    .style = min-width: { COPY(from_path, "editBookmark.panel.width") }
 """, from_path="browser/chrome/browser/browser.dtd")
     )