[feature] Query media description limit (#62)

fixes #61

Reviewed-on: https://codeberg.org/superseriousbusiness/masto-fe-standalone/pulls/62
Co-authored-by: Sqx. Flann <fl4nn+codeberg@opensuse.org>
Co-committed-by: Sqx. Flann <fl4nn+codeberg@opensuse.org>

app/javascript/flavours/glitch/features/ui/components/focal_point_modal.jsx

@@ -26,6 +26,7 @@ import { Tesseract as fetchTesseract } from 'flavours/glitch/features/ui/util/as
 import Video, { getPointerPosition } from 'flavours/glitch/features/video';
 import { me } from 'flavours/glitch/initial_state';
 import { assetHost } from 'flavours/glitch/utils/config';
+import { maxMediaDescChars } from 'flavours/glitch/initial_state';
 
 import { changeUploadCompose, uploadThumbnail, onChangeMediaDescription, onChangeMediaFocus } from '../../../actions/compose';
 
@@ -367,10 +368,10 @@ class FocalPointModal extends ImmutablePureComponent {
 
             <div className='setting-text__toolbar'>
               <button disabled={detecting || media.get('type') !== 'image' || is_changing_upload} className='link-button' onClick={this.handleTextDetection}><FormattedMessage id='upload_modal.detect_text' defaultMessage='Detect text from picture' /></button>
-              <CharacterCounter max={1500} text={detecting ? '' : description} />
+              <CharacterCounter max={maxMediaDescChars} text={detecting ? '' : description} />
             </div>
 
-            <Button disabled={!dirty || detecting || isUploadingThumbnail || length(description) > 1500 || is_changing_upload} text={intl.formatMessage(is_changing_upload ? messages.applying : messages.apply)} onClick={this.handleSubmit} />
+            <Button disabled={!dirty || detecting || isUploadingThumbnail || length(description) > maxMediaDescChars || is_changing_upload} text={intl.formatMessage(is_changing_upload ? messages.applying : messages.apply)} onClick={this.handleSubmit} />
           </div>
 
           <div className='focal-point-modal__content'>