sysmon: click, don't use shortcuts, to switch views

It looks like
https://gitlab.gnome.org/GNOME/gnome-system-monitor/-/issues/262
won't be fixed for a while - the fixes are tied up with the GTK
4 port - so let's just work around it for now by clicking instead
of using keyboard shortcuts.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/gnome/apps/sysmon/sysmon_fsystems_button-20231017.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 603,
+      "ypos": 43,
+      "width": 20,
+      "height": 21,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "sysmon_fsystems_button"
+  ]
+}

needles/gnome/apps/sysmon/sysmon_processes_button-20231017.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 317,
+      "ypos": 43,
+      "width": 20,
+      "height": 22,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "sysmon_processes_button"
+  ]
+}

needles/gnome/apps/sysmon/sysmon_resources_button-20231017.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 464,
+      "ypos": 45,
+      "width": 19,
+      "height": 18,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "sysmon_resources_button"
+  ]
+}

tests/applications/sysmon/main_view.pm

@@ -8,16 +8,13 @@ use utils;
 sub run {
     # wait for the restore to settle down
     wait_still_screen 3;
-    # Press Alt-3 to see the file systems
+    assert_and_click("sysmon_fsystems_button");
-    send_key("alt-3");
     assert_screen("sysmon_fsystems_shown");
 
-    # Press Alt-1 to see the processes
+    assert_and_click("sysmon_processes_button");
-    send_key("alt-1");
     assert_screen("sysmon_processes_shown");
 
-    # Press Alt-2 to see the resources
+    assert_and_click("sysmon_resources_button");
-    send_key("alt-2");
     assert_screen("sysmon_resources_shown");
 }