Make "link-action" backend code respond correct JSON content (#26680)

Otherwise the `link-action` JS code couldn't parse the response.

Co-authored-by: Giteabot <teabot@gitea.io>

routers/web/admin/users.go

@@ -480,5 +480,5 @@ func DeleteAvatar(ctx *context.Context) {
 		ctx.Flash.Error(err.Error())
 	}
 
-	ctx.Redirect(setting.AppSubURL + "/admin/users/" + strconv.FormatInt(u.ID, 10))
+	ctx.JSONRedirect(setting.AppSubURL + "/admin/users/" + strconv.FormatInt(u.ID, 10))
 }

routers/web/org/setting.go

@@ -156,7 +156,7 @@ func SettingsDeleteAvatar(ctx *context.Context) {
 		ctx.Flash.Error(err.Error())
 	}
 
-	ctx.Redirect(ctx.Org.OrgLink + "/settings")
+	ctx.JSONRedirect(ctx.Org.OrgLink + "/settings")
 }
 
 // SettingsDelete response for deleting an organization

routers/web/repo/setting/avatar.go

@@ -72,5 +72,5 @@ func SettingsDeleteAvatar(ctx *context.Context) {
 	if err := repo_service.DeleteAvatar(ctx, ctx.Repo.Repository); err != nil {
 		ctx.Flash.Error(fmt.Sprintf("DeleteAvatar: %v", err))
 	}
-	ctx.Redirect(ctx.Repo.RepoLink + "/settings")
+	ctx.JSONRedirect(ctx.Repo.RepoLink + "/settings")
 }

routers/web/user/setting/profile.go

@@ -194,7 +194,7 @@ func DeleteAvatar(ctx *context.Context) {
 		ctx.Flash.Error(err.Error())
 	}
 
-	ctx.Redirect(setting.AppSubURL + "/user/settings")
+	ctx.JSONRedirect(setting.AppSubURL + "/user/settings")
 }
 
 // Organization render all the organization of the user

templates/admin/user/edit.tmpl

@@ -186,7 +186,7 @@
 
 				<div class="field">
 					<button class="ui green button">{{$.locale.Tr "settings.update_avatar"}}</button>
-					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete" data-redirect="{{.Link}}">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
+					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
 				</div>
 			</form>
 		</div>

templates/org/settings/options.tmpl

@@ -94,7 +94,7 @@
 
 						<div class="field">
 							<button class="ui green button">{{$.locale.Tr "settings.update_avatar"}}</button>
-							<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete" data-redirect="{{.Link}}">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
+							<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
 						</div>
 					</form>
 				</div>

templates/repo/settings/options.tmpl

@@ -58,7 +58,7 @@
 				</div>
 				<div class="field">
 					<button class="ui green button">{{$.locale.Tr "settings.update_avatar"}}</button>
-					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete" data-redirect="{{.Link}}">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
+					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
 				</div>
 			</form>
 		</div>

templates/user/settings/profile.tmpl

@@ -126,7 +126,7 @@
 
 				<div class="field">
 					<button class="ui green button">{{$.locale.Tr "settings.update_avatar"}}</button>
-					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete" data-redirect="{{.Link}}">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
+					<button class="ui red button link-action" data-url="{{.Link}}/avatar/delete">{{$.locale.Tr "settings.delete_current_avatar"}}</button>
 				</div>
 			</form>
 		</div>