RTL simplification and updates (#19586)

* RTL simplification and updates

* Fixes

* Fix weird icon offset when mwc-list-item is in a concat html``

* Additional updates

src/components/ha-date-range-picker.ts

@@ -32,7 +32,6 @@ import { firstWeekdayIndex } from "../common/datetime/first_weekday";
 import { formatDate } from "../common/datetime/format_date";
 import { formatDateTime } from "../common/datetime/format_date_time";
 import { useAmPm } from "../common/datetime/use_am_pm";
-import { computeRTLDirection } from "../common/util/compute_rtl";
 import { HomeAssistant } from "../types";
 import "./date-range-picker";
 import "./ha-icon-button";
@@ -65,8 +64,6 @@ export class HaDateRangePicker extends LitElement {
 
   @state() private _hour24format = false;
 
-  @state() private _rtlDirection = "ltr";
-
   @property({ type: Boolean }) public extendedPresets = false;
 
   @property() public openingDirection?: "right" | "left" | "center" | "inline";
@@ -236,7 +233,6 @@ export class HaDateRangePicker extends LitElement {
       const oldHass = changedProps.get("hass") as HomeAssistant | undefined;
       if (!oldHass || oldHass.locale !== this.hass.locale) {
         this._hour24format = !useAmPm(this.hass.locale);
-        this._rtlDirection = computeRTLDirection(this.hass);
       }
     }
   }
@@ -306,11 +302,7 @@ export class HaDateRangePicker extends LitElement {
               ></ha-icon-button>`}
         </div>
         ${this.ranges !== false && (this.ranges || this._ranges)
-          ? html`<div
-              slot="ranges"
-              class="date-range-ranges"
-              .dir=${this._rtlDirection}
-            >
+          ? html`<div slot="ranges" class="date-range-ranges">
               <mwc-list @action=${this._setDateRange} activatable>
                 ${Object.keys(this.ranges || this._ranges!).map(
                   (name) => html`<mwc-list-item>${name}</mwc-list-item>`