Several fixes for mobile UI (#25634)

Resolves #25622 

<details>
<summary>Screenshots</summary>

![Bildschirmfoto vom 2023-07-02
20-47-34](https://github.com/go-gitea/gitea/assets/47871822/a8a0bff6-9ae3-48f3-b008-00c196a3f8fd)
![Bildschirmfoto vom 2023-07-02
20-47-45](https://github.com/go-gitea/gitea/assets/47871822/172a0021-af74-4690-aa67-0e66688ce733)
![Bildschirmfoto vom 2023-07-02
20-48-37](https://github.com/go-gitea/gitea/assets/47871822/14572ebd-0106-4c8a-ba27-b6b631375ee6)
![Bildschirmfoto vom 2023-07-02
20-49-08](https://github.com/go-gitea/gitea/assets/47871822/7c0ba3aa-1712-482c-aae9-13394dbdaf8a)
![Bildschirmfoto vom 2023-07-02
20-50-28](https://github.com/go-gitea/gitea/assets/47871822/8bd68e26-099a-4abd-8817-16d52af13167)
![Bildschirmfoto vom 2023-07-02
20-51-46](https://github.com/go-gitea/gitea/assets/47871822/3beab8c6-3747-4829-be50-bafaed11000c)
![Bildschirmfoto vom 2023-07-02
20-54-12](https://github.com/go-gitea/gitea/assets/47871822/51f82ef3-a32c-4c27-9056-e8711ed469cc)


</details>

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/templates/shared/combomarkdowneditor.tmpl b/templates/shared/combomarkdowneditor.tmpl
index 26a51b369c..4c1742d21f 100644
--- a/templates/shared/combomarkdowneditor.tmpl
+++ b/templates/shared/combomarkdowneditor.tmpl
@@ -19,7 +19,7 @@ Template Attributes:
 	</div>
 	{{end}}
 	<div class="ui tab active" data-tab-panel="markdown-writer">
-		<markdown-toolbar class="gt-gap-3">
+		<markdown-toolbar>
 			<div class="markdown-toolbar-group">
 				<md-header class="markdown-toolbar-button" data-tooltip-content="{{.locale.Tr "editor.buttons.heading.tooltip"}}">{{svg "octicon-heading"}}</md-header>
 				<md-bold class="markdown-toolbar-button" data-tooltip-content="{{.locale.Tr "editor.buttons.bold.tooltip"}}">{{svg "octicon-bold"}}</md-bold>