Check user/org repo limit instead of doer (#34147)

This PR tries to finally fix the bug mentioned in #30011 and #15504,
where the user repo limit is checked when creating a repo in an
organization.

Fix #30011

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: TheFox0x7 <thefox0x7@gmail.com>

templates/repo/pulls/fork.tmpl

@@ -75,7 +75,7 @@
 
 				<div class="inline field">
 					<label></label>
-					<button class="ui primary button{{if not .CanForkRepo}} disabled{{end}}">
+					<button class="ui primary button{{if not .CanForkRepoInNewOwner}} disabled{{end}}">
 						{{ctx.Locale.Tr "repo.fork_repo"}}
 					</button>
 				</div>

templates/repo/settings/options.tmpl

@@ -802,7 +802,7 @@
 						</div>
 					</div>
 				{{end}}
-				{{if and .Repository.IsFork .Repository.Owner.CanCreateRepo}}
+				{{if .CanConvertFork}}
 					<div class="flex-item">
 						<div class="flex-item-main">
 							<div class="flex-item-title">{{ctx.Locale.Tr "repo.settings.convert_fork"}}</div>
@@ -916,7 +916,7 @@
 			</div>
 		</div>
 	{{end}}
-	{{if and .Repository.IsFork .Repository.Owner.CanCreateRepo}}
+	{{if .CanConvertFork}}
 		<div class="ui small modal" id="convert-fork-repo-modal">
 			<div class="header">
 				{{ctx.Locale.Tr "repo.settings.convert_fork"}}