Version 4.5.1 - SQL Optimizations and fixes

What's Changed

• Add indices to speed up query for album covers by @nagmat84 in #1196
• Fixes #1192 by @nagmat84 in #1194
• add migration to enforce optimization of tables by @ildyria in #1199
• Added diagnostic for default timezone setting. by @nagmat84 in #1207
• Improved file handling by @nagmat84 in #1203
• Fix some potential null references by @nagmat84 in #1213
• Fixes #1208 by @nagmat84 in #1212
• Fix import of video files and thumbnail generation by @kamil4 in #1219
• Fixes #1221 by @nagmat84 in #1222
• Explicitly round new dimensions to integer by @kamil4 in #1235
• Move filesize to size variants by @Chostakovitch in #1239
• Belated sync of frontend for PR #1239 by @nagmat84 in #1245
• Added a console command to fix the tree by @nagmat84 in #1252
• Speed up POST api/Album::getPositionData by @nagmat84 in #1256
• Fix geoposition types by @nagmat84 in #1258
• Fix dead links by @qwerty287 in #1263
• Fix untranslatable strings by @qwerty287 in #1270
• Fix the path to the ImageOptimizer class by @kamil4 in #1273
• Added shortcuts via RewriteRule to .htaccess by @nagmat84 in #1272
• Add missing indices by @nagmat84 in #1278

Full Changelog: v4.5.0...v4.5.1