More tweaking to GNOME file save - always click the button

Let's not trust hitting enter in just one place but hit the save
button like we do elsewhere (this avoids an awkward issue where
hitting enter doesn't work on the new nautilus version). Also,
let's consolidate the needles under a sensible tag name.

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

needles/gnome/apps/maps/maps_button_save.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 873,
-      "ypos": 228,
-      "width": 44,
-      "height": 18,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "maps_button_save"
-  ]
-}

needles/gnome/gnome_button_save-boldblue-20220818.json

@@ -10,6 +10,6 @@
   ],
   "properties": [],
   "tags": [
-    "gnome_button_save_blue"
+    "gnome_button_save"
   ]
-}
+}

needles/gnome/gnome_button_save-boldblue-20240424.json

@@ -10,6 +10,6 @@
   ],
   "properties": [],
   "tags": [
-    "gnome_button_save_blue"
+    "gnome_button_save"
   ]
-}
+}

needles/gnome/gnome_button_save_blue.json

@@ -1,7 +1,7 @@
 {
   "properties": [],
   "tags": [
-    "gnome_button_save_blue"
+    "gnome_button_save"
   ],
   "area": [
     {
@@ -12,4 +12,4 @@
       "type": "match"
     }
   ]
-}
+}

tests/applications/evince/save_as.pm

@@ -23,7 +23,7 @@ sub run {
     type_very_safely("alternative");
 
     # Click on the Save button
-    assert_and_click("gnome_button_save_blue", button => "left", timeout => 30);
+    assert_and_click("gnome_button_save", button => "left", timeout => 30);
 
     # Now the document is saved under a different name. We will switch to the
     # terminal console to check that it has been created.

tests/applications/gnome-text-editor/new_file.pm

@@ -41,7 +41,7 @@ sub run {
     send_key("ctrl-a");
     wait_still_screen(3);
     type_very_safely "list.md";
-    send_key("ret");
+    assert_and_click("gnome_button_save");
     assert_screen("gte_file_saved");
     # Check that the file has been created
     $self->root_console(tty => 3);

tests/applications/maps/export.pm

@@ -38,7 +38,7 @@ sub run {
         # Rename the file and export it
         assert_and_click("nautilus_save_filename");
         type_very_safely("exported-map");
-        assert_and_click("maps_button_save");
+        assert_and_click("gnome_button_save");
     }
 
     # After the map has been exported, we will open