support json format templating

Remove react-sizeme and use AutoSizer

Removed unused theme variables

Add http patch support for annotations

This reverts commit ae0b027d.

This reverts commit 260b6f5d.

Merge pull request #15265 from larsjoergensen/cloudwatch/add-rds-aurora-serverlessdatabasecapacity-metrics

Added ServerlessDatabaseCapacity metric to list of AWS RDS metrics.

cloudwatch: Add resource_arns template query function

Implements feature request #8207

Update add panel flow

Clicking outside TimePicker (Angular & React versions) should close it

Changes default interpolation for Stackdriver filter to be regex. Fixes #15182

For the filter expression, a better default is to
interpolate multi variables as a regex rather than
the default globbing pattern.

Also, uses the real TemplateSrv class rather than
stubbing it in the tests.

Handle onPaste because of bug in this Slate version

chore: Explore: Remove inner AutoSizer, spread the size-object to width/height, change height type to number