feat: merge upstream master - version 4.94

Merge upstream PiKVM master branch updates:

- Bump version from 4.93 to 4.94
- HID: improved jiggler pattern for better compatibility
- Streamer: major refactoring for improved performance and maintainability
- Prometheus: tidying GPIO channel name formatting
- Web: added __gpio-label class for custom styling
- HID: customizable /api/hid/print delay configuration
- ATX: independent power/reset regions for better control
- OLED: added --fill option for display testing
- Web: improved keyboard handling in modal dialogs
- Web: enhanced login error messages
- Switch: added heartbeat functionality
- Web: mouse touch code simplification and refactoring
- Configs: use systemd-networkd-wait-online --any by default
- PKGBUILD: use cp -r to install systemd units properly
- Various bug fixes and performance improvements

web/kvm/window-webterm.pug

@@ -1,8 +1,11 @@
-div(id="webterm-window" class="window window-resizable" style="width: 640px; height: 480px")
-	div(class="window-header")
-		div(class="window-grab" i18n="kvm_text16") Terminal
-		button(class="window-button-close") #[b ×]
-		button(class="window-button-maximize") ☐
-		// Терминал глючит из-за зажимаемой клавиши ESC для выхода
-		// button(class="window-button-full-screen") ⤢
-	iframe(id="webterm-iframe" src="" style="width: 100%; height: 100%")
+.window.window-resizable#webterm-window(data-show-centered style="display: flex; min-width: 720px; min-height: 480px")
+	.window-header
+		.window-grab(i18n="kvm_text16") Terminal
+		.window-buttons
+			button.window-button-original •
+			button.window-button-maximize ☐
+			button.window-button-close #[b ×]
+			// Терминал глючит из-за зажимаемой клавиши ESC для выхода
+			// button(class="window-button-full-screen") ⤢
+
+	iframe#webterm-iframe(src="" style="width: 100%; flex: 1")