gnu: jami: Apply upstream patch that fixes a usability issue.

* gnu/packages/patches/jami-fix-esc-bug.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/jami.scm (%jami-sources): Apply it.

gnu/local.mk

@@ -1304,6 +1304,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/irrlicht-link-against-needed-libs.patch	\
   %D%/packages/patches/isl-0.11.1-aarch64-support.patch	\
   %D%/packages/patches/itk-snap-alt-glibc-compat.patch		\
+  %D%/packages/patches/jami-fix-esc-bug.patch			\
   %D%/packages/patches/json-c-0.13-CVE-2020-12762.patch	\
   %D%/packages/patches/json-c-0.12-CVE-2020-12762.patch	\
   %D%/packages/patches/jsoncpp-pkg-config-version.patch		\

gnu/packages/jami.scm

@@ -90,7 +90,8 @@
                                             "plugins"))))
     (sha256
      (base32
-      "1zx0i9aw8jsba3bjc5r4pkkybm8c0lyz420ciq89vsswd48gfdhg"))))
+      "1zx0i9aw8jsba3bjc5r4pkkybm8c0lyz420ciq89vsswd48gfdhg"))
+    (patches (search-patches "jami-fix-esc-bug.patch"))))
 
 ;; Jami maintains a set of patches for some key dependencies (currently
 ;; pjproject and ffmpeg) of Jami that haven't yet been integrated upstream.

gnu/packages/patches/jami-fix-esc-bug.patch

@@ -0,0 +1,24 @@
+This fixes the issue where pressing the ESC key would hide the Jami
+GUI on systems lacking a notification tray.
+
+From 47fd4c38ddd8bd350319ce9bb750ca496826e655 Mon Sep 17 00:00:00 2001
+From: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
+Date: Fri, 29 Jul 2022 21:24:01 -0400
+Subject: [PATCH] layoutmanager: fix popFullScreenItem
+
+Change-Id: I79780d4ad570846e6f3c52734dd627bcd0e11327
+---
+
+diff --git a/src/app/LayoutManager.qml b/src/app/LayoutManager.qml
+index 98516ce..87f13ac 100644
+--- a/client-qt/src/app/LayoutManager.qml
++++ b/client-qt/src/app/LayoutManager.qml
+@@ -176,7 +176,7 @@
+
+         // Only leave fullscreen mode if our window isn't in fullscreen
+         // mode already.
+-        if (priv.fullScreenItems.length === 0) {
++        if (priv.fullScreenItems.length === 0 && priv.windowedVisibility !== Window.Hidden) {
+             // Simply recall the last visibility state.
+             visibility = priv.windowedVisibility
+         }