Move EventTileBubble to shared components (#31911)

* Move EventTileBubble to shared components as is

* Added documentation and updated stories and unit tests

* Move 'global' element web css to _common.pcss

* Adding playwright snapshots

* Updated comments

* Added legacy mx_MessageTimestamp class and updated snapshots

* Regenerate snapshots with correct hash

* Changes to css and removed timestamp from properties after review.

* Update screenshot for room-list and fix flaky CI playwright test.

* Blur the play button before matching screenshots

* Changed to button focused instead of blur for consistancy

* Stabilize play button appearance in CI (disabled due to decoding)

* Force play button appearance in CI (disabled due to decoding)

* Add comments on playwright test changes.
Change from React.RefObject<any> to Ref<HTMLDivElement> in EncryptionEvent.tsx

* Update playwright/e2e/composer/CIDER.spec.ts

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Update playwright/e2e/composer/CIDER.spec.ts

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Update playwright/e2e/crypto/toasts.spec.ts

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

res/css/_common.pcss

@@ -22,6 +22,7 @@ Please see LICENSE files in the repository root for full details.
     --buttons-dialog-gap-row: $spacing-8;
     --buttons-dialog-gap-column: $spacing-8;
     --MBody-border-radius: 8px;
+    --EventTileBubble_margin-block: 10px;
 
     /* Expected z-indexes for dialogs:
         4000 - Default wrapper index

res/css/_components.pcss

@@ -221,7 +221,6 @@
 @import "./views/messages/_CreateEvent.pcss";
 @import "./views/messages/_DateSeparator.pcss";
 @import "./views/messages/_DisambiguatedProfile.pcss";
-@import "./views/messages/_EventTileBubble.pcss";
 @import "./views/messages/_HiddenBody.pcss";
 @import "./views/messages/_HiddenMediaPlaceholder.pcss";
 @import "./views/messages/_JumpToDatePicker.pcss";

res/css/views/messages/_EventTileBubble.pcss

@@ -1,59 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2019, 2020 The Matrix.org Foundation C.I.C.
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
-Please see LICENSE files in the repository root for full details.
-*/
-
-.mx_EventTileBubble {
-    --EventTileBubble_margin-block: 10px;
-
-    background-color: $dark-panel-bg-color;
-    padding: 10px;
-    border-radius: 8px;
-    /* Reserve space for external timestamps, but also cap the width */
-    max-width: min(calc(100% - 2 * var(--MessageTimestamp-width)), 600px);
-    box-sizing: border-box;
-    display: grid;
-    grid-template-columns: 24px minmax(0, 1fr) min-content min-content;
-
-    svg {
-        position: relative;
-        grid-column: 1;
-        grid-row: 1 / 3;
-        width: 16px;
-        height: 16px;
-        content: "";
-        inset: 0;
-        mask-repeat: no-repeat;
-        mask-position: center;
-        mask-size: contain;
-        margin-top: $spacing-4;
-    }
-
-    .mx_EventTileBubble_title,
-    .mx_EventTileBubble_subtitle {
-        grid-column: 2;
-        overflow-wrap: break-word;
-        min-inline-size: 50px;
-    }
-
-    .mx_EventTileBubble_title {
-        font-weight: var(--cpd-font-weight-semibold);
-        font-size: $font-15px;
-        grid-row: 1;
-    }
-
-    .mx_EventTileBubble_subtitle {
-        font-size: $font-12px;
-        grid-row: 2;
-    }
-
-    .mx_MessageTimestamp {
-        grid-column: 4;
-        grid-row: 1 / 3;
-        align-self: center;
-        margin-left: $spacing-16;
-    }
-}