[FIX] mail: open mentions below composer in chatter

opw-2358094

closes odoo/odoo#60019

X-original-commit: 8c9792d811feeb3080fa1106d358112c630d19f7
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/components/composer_text_input/composer_text_input.scss

@@ -7,14 +7,6 @@
     position: relative;
 }
 
-.o_ComposerTextInput_mentionDropdown {
-    position: absolute;
-
-    &.o-lowPosition {
-        bottom: 0;
-    }
-}
-
 .o_ComposerTextInput_textarea {
     padding: 10px;
     resize: none;

addons/mail/static/src/components/composer_text_input/composer_text_input.xml

@@ -7,6 +7,7 @@
                 <t t-if="composer.hasSuggestions">
                     <ComposerSuggestionList
                         composerLocalId="props.composerLocalId"
+                        isBelow="props.hasMentionSuggestionsBelowPosition"
                     />
                 </t>
                 <textarea class="o_ComposerTextInput_textarea" t-att-class="{ 'o-composer-is-compact': props.isCompact }" t-esc="composer.textInputContent" t-att-placeholder="textareaPlaceholder" t-on-focusin="_onFocusinTextarea" t-on-focusout="_onFocusoutTextarea" t-on-keydown="_onKeydownTextarea" t-on-keyup="_onKeyupTextarea" t-on-input="_onInputTextarea" t-ref="textarea"/>