Add a new value "inline" to the image align attribute (alongside
left/center/right/floatLeft/floatRight). Inline images render as
inline-block containers, so consecutive ones form a row that wraps
naturally on narrow viewports; unlike the float modes, text does not
wrap around them.
- applyAlignment: reset-then-apply extended to display/vertical-align;
the reset restores the constructor's inline display:flex so non-inline
modes keep byte-identical styles and editor-ext stays independent of
the client CSS class
- image bubble menu: new "Inline (side by side)" button (IconLayoutColumns)
with active state, mirroring the float buttons
- i18n: key registered in en-US and ru-RU ("В ряд"), like the float labels
- tests: 3 new applyAlignment specs (apply, reset on switch-away, float->inline)
- no schema/MCP/markdown changes needed: align round-trips as data-align
20032be921